Changelog

The following changes have been made to functions of bundled extensions.

Version	Function	Description
8.4.0	DOMDocument::registerNodeClass	DOMDocument::registerNodeClass now has a tentative return of true.
	DOMImplementation::createDocument	The function now has the tentative return type DOMDocument.
	bind_textdomain_codeset	Now throws a ValueError if domain is the empty string.
	curl_getinfo	Introduced CURLINFO_POSTTRANSFER_TIME_T constant and posttransfer_time_us (Curl 8.10.0 or later).
	curl_multi_select	Now throws a ValueError if timeout is less than 0 or greater than PHP_INT_MAX.
	curl_setopt	CURLOPT_DNS_USE_GLOBAL_CACHE no longer has any effect, and enabling it on thread-safe PHP builds no longer triggers a warning.
	curl_version	features_list added.
	dba_close	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_delete	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_exists	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_fetch	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_firstkey	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_insert	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_key_split	Passing null or false to key is now deprecated.
	dba_nextkey	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_open	Returns a Dba\Connection instance now; previously, a resource was returned.
	dba_optimize	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_popen	Returns a Dba\Connection instance now; previously, a resource was returned.
	dba_replace	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dba_sync	The dba parameter expects a Dba\Connection instance now; previously, a valid dba resource was expected.
	dgettext	Now throws a ValueError if domain is the empty string.
	dngettext	Now throws a ValueError if domain is the empty string.
	exit	exit is now a proper function, therefore it follows the usual type juggling semantics is affected by the strict_types declare, can be called with named arguments, and be a variable functions.
	fgetcsv	Relying on the default value of escape is now deprecated.
	fputcsv	Relying on the default value of escape is now deprecated.
	highlight_string	Return type changed from stringbool to stringtrue.
	imageavif	Now throws a ValueError if quality or speed is invalid.
	imagefilter	Now throws a ValueError if sub or plus would cause over-/underflow with the IMG_FILTER_SCATTER filter.
	imagejpeg	Now throws a ValueError if quality is invalid.
	imagepng	Now throws a ValueError if quality is invalid.
	imagescale	Now throws a ValueError if width or height would cause over-/underflow.
	imagescale	Now throws a ValueError if mode is invalid.
	imagewebp	Now throws a ValueError if quality is invalid.
	lcg_value	This function has been deprecated.
	libxml_set_streams_context	libxml_set_streams_context now throws a TypeError when a non-stream resource is passed to context, instead of throwing later when the context is used.
	long2ip	Return type changed from stringfalse to string.
	php_uname	Throws a ValueError when an invalid mode is specified.
	pow	Raising 0 to a negative exponent is now deprecated.
	print_r	Return type changed from stringbool to stringtrue.
	simplexml_import_dom	This function now throws a TypeError instead of a ValueError when passed a non-XML or non-HTML node.
	socket_create_listen	The default value of is now SOMAXCONN. Previously it was 128.
	str_getcsv	Relying on the default value of escape is now deprecated.
	str_getcsv	Now throws a ValueError if separator, enclosure, or escape is invalid. This mimics the behavior of fgetcsv and fputcsv.
	strcspn	Prior to PHP 8.4.0, when characters was the empty string, the search would incorrectly stop at the first null byte in string.
	stream_context_set_option	The alternative 2-parameter signature is now deprecated. Use stream_context_set_options instead.
	textdomain	Now throws a ValueError if domain is the empty string.
	trigger_error	Passing E_USER_ERROR as the error_level is now deprecated. Throw an Exception or call exit instead.
	trigger_error	The function now has a return type of true instead of bool.
	xml_parser_set_option	Added the option XML_OPTION_PARSE_HUGE.
	xml_set_character_data_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_character_data_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_default_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_default_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_element_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_element_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_end_namespace_decl_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_end_namespace_decl_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_external_entity_ref_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_external_entity_ref_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_notation_decl_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_notation_decl_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_object	This function is now deprecated, instead pass proper callable values to xml_set_
	xml_set_processing_instruction_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_processing_instruction_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_start_namespace_decl_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_start_namespace_decl_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	xml_set_unparsed_entity_decl_handler	Passing a non-callable string to handler is now deprecated, use a proper callable for methods, or null to reset the handler.
	xml_set_unparsed_entity_decl_handler	The validity of handler as a callable is now checked when setting the handler instead of checking when calling it.
	mysqli::kill	Both mysqli::kill and mysqli_kill are now deprecated. Use the KILL SQL command instead.
	mysqli::ping	Both mysqli::ping and mysqli_ping are now deprecated. The reconnect feature has not been available as of PHP 8.2.0, making this function obsolete.
	mysqli::refresh	Both mysqli::refresh and mysqli_refresh are now deprecated. Use FLUSH SQL commands instead.
	mysqli::store_result	Passing the mode parameter is now deprecated. The parameter has had no effect as of PHP 8.1.0.
	Phar::setAlias	Phar::setAlias now has a tentative return of true.
	Phar::setDefaultStub	Phar::setDefaultStub now has a tentative return of true.
	ReflectionClassConstant::__toString	The attached doc comment is now included.
	ReflectionGenerator::getFunction	ReflectionGenerator::getFunction may now be called after the generator finished executing.
	ReflectionProperty::__toString	The attached doc comment is now included.
	SplFileObject::fgetcsv	Relying on the default value of escape is now deprecated.
	SplFileObject::fputcsv	Relying on the default value of escape is now deprecated.
	SplFileObject::setCsvControl	Relying on the default value of escape is now deprecated.
	SplFixedArray::setSize	SplFixedArray::setSize now has a tentative return of true.
	SplFixedArray::__wakeup	This method is now deprecated, use SplFixedArray::__unserialize instead.
	SplHeap::insert	SplHeap::insert now has a tentative return of true.
	SplHeap::recoverFromCorruption	SplHeap::recoverFromCorruption now has a tentative return of true.
	SplPriorityQueue::insert	SplPriorityQueue::insert now has a tentative return of true.
	SplPriorityQueue::recoverFromCorruption	SplPriorityQueue::recoverFromCorruption now has a tentative return of true.
	tidy::__construct	Failures when executing the constructor now throw instead of silently creating an unusable object.
	XSLTProcessor::setParameter	It is now possible to set a parameter value containing both single and double quotes. Prior to PHP 8.4.0, this resulted in a warning.
8.3.0	DateInterval::__construct	Now throws DateMalformedIntervalStringException instead of Exception.
	DatePeriod::__construct	Now throws DateMalformedPeriodStringException instead of Exception.
	DateTime::__construct	Now throws DateMalformedStringException if an invalid string is passed, instead of Exception.
	DateTimeInterface::getTimestamp	The out-of-range exception is now DateRangeError.
	DateTime::modify	Now throws DateMalformedStringException with DateTime::modify if an invalid string is passed, instead of a warning. date_modify has not been changed.
	DateTime::sub	Now throws a DateInvalidOperationException with DateTime::sub, instead of a warning when an unsupported operation is attempted. date_sub has not been changed.
	DateTimeImmutable::__construct	Now throws DateMalformedStringException if an invalid string is passed, instead of Exception.
	DateTimeImmutable::modify	Now throws DateMalformedStringException if an invalid string is passed, instead of a warning.
	DateTimeImmutable::sub	Now throws a DateInvalidOperationException instead of a warning when an unsupported operation is attempted.
	DateTimeZone::__construct	Invalid values now return a DateInvalidTimeZoneException instead of a generic Exception.
	DOMCharacterData::after	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMCharacterData::after	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMCharacterData::appendData	This function now has a tentative true return type.
	DOMCharacterData::before	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMCharacterData::replaceWith	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMChildNode::after	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMChildNode::after	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMChildNode::before	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMChildNode::replaceWith	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocument::append	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocument::createAttributeNS	Calling this method without specifying a prefix will now choose a prefix instead of assuming the default namespace. Previously this would create an attribute without a prefix and incorrectly apply the namespace to the owner element because default namespaces don't apply on attributes.
	DOMDocument::createAttributeNS	Calling this method using a prefix that was already declared on the owner element with a different namespace URI will now change the new prefix to avoid creating namespace conflicts. This aligns the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_NAMESPACE_ERR.
	DOMDocument::load	This function now has a tentative bool return type.
	DOMDocument::loadHTML	This function now has a tentative bool return type.
	DOMDocument::loadHTMLFile	This function now has a tentative bool return type.
	DOMDocument::loadXML	This function now has a tentative bool return type.
	DOMDocument::prepend	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocument::replaceChildren	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocument::saveXML	LIBXML_NOXMLDECL is now supported.
	DOMDocumentFragment::append	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocumentFragment::prepend	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMDocumentFragment::replaceChildren	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::after	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::after	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::append	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::before	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::prepend	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::replaceChildren	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMElement::replaceWith	Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMParentNode::append	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMParentNode::prepend	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	DOMParentNode::replaceChildren	Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.
	FFI::cast	Calling FFI::cast statically is now deprecated.
	FFI::new	Calling FFI::new statically is now deprecated.
	FFI::type	Calling FFI::type statically is now deprecated.
	array_pad	Prior to 8.3, only 1048576 elements could be added at once. Now it is limited only by the maximum size of an array instead.
	array_product	Now emits E_WARNING when array values cannot be converted to int or float. Previously arrays and objects where ignored whilst every other value was cast to int. Moreover, objects that define a numeric cast (e.g. GMP) are now cast instead of ignored.
	array_sum	Now emits E_WARNING when array values cannot be converted to int or float. Previously arrays and objects where ignored whilst every other value was cast to int. Moreover, objects that define a numeric cast (e.g. GMP) are now cast instead of ignored.
	assert	All assert. INI settings have been deprecated.
	assert_options	assert_option is now deprecated.
	class_alias	class_alias now supports creating an alias of an internal class.
	curl_getinfo	Introduced CURLINFO_CAINFO and CURLINFO_CAPATH.
	dba_fetch	Calling dba_fetch with dba as the 3rd argument is now deprecated.
	easter_date	On 64-bit systems, the year parameter now accepts values within the range of 1970 to 2,000,000,000.
	gc_status	gc_status now returns the following additional fields: "running", "protected", "full", "buffer_size", "application_time", "collector_time", "destructor_time", and "free_time".
	get_class	Calling get_class without an argument now emits an E_DEPRECATED warning; previously, calling this function inside a class returned the name of that class.
	get_parent_class	Calling get_parent_class without an argument now emits an E_DEPRECATED warning; previously, calling this function inside a class returned the name of that class.
	highlight_file	The resulting HTML has changed.
	highlight_string	The resulting HTML has changed.
	imagerotate	The unused ignore_transparent has been completely removed.
	ldap_connect	Calling ldap_connect with separate hostname and port is now deprecated.
	mb_convert_case	Implemented conditional casing rules for the Greek letter sigma which only apply to MB_CASE_LOWER and MB_CASE_TITLE modes, not to MB_CASE_LOWER_SIMPLE and MB_CASE_TITLE_SIMPLE.
	mb_decode_mimeheader	Underscores are converted to spaces as specified by RFC 2047.
	mb_encode_mimeheader	NUL (0) bytes are no longer dropped when encoded using Quoted-Printable encoding, but encoded as =00.
	mb_strimwidth	Passing a negative width to mb_strimwidth is now deprecated.
	mb_strtolower	Implemented conditional casing rules for the Greek letter sigma.
	mt_srand	seed is now nullable.
	odbc_autocommit	enable is now nullable.
	pg_convert	Now throws a ValueError or TypeError error when the value or type of field does not match properly with a PostgreSQL's type; previously an E_WARNING was emitted.
	pg_fetch_object	Now throws a ValueError exception when the constructor_args is non-empty with the class not having constructor; previously an Exception was thrown.
	pg_fetch_result	row is now nullable.
	pg_field_is_null	row is now nullable.
	pg_field_prtlen	row is now nullable.
	pg_insert	Now throws a ValueError error when the specified table is invalid; previously an E_WARNING was emitted.
	pg_insert	Now throws a ValueError or TypeError error when the value or type of field does not match properly with a PostgreSQL's type; previously an E_WARNING was emitted.
	pg_trace	trace_mode has been added.
	posix_eaccess	Checks the effective user/group for a file, differing from posix_access which checks from the real user/group.
	posix_getrlimit	The optional resource parameter has been added.
	posix_isatty	Type error E_WARNINGs are now raised for integer coercions following the usual PHP type coercion semantics.
	posix_ttyname	Type error E_WARNINGs are now raised for integer coercions following the usual PHP type coercion semantics.
	posix_ttyname	On invalid file_descriptor integer values an E_WARNING is now raised.
	proc_get_status	The "cached" entry has been added to the returned array. Prior to PHP 8.3.0, only the first call returned the real exit code. The "cached" entry indicates that the exit code was cached.
	range	If both start and end are strings then range will now always produce an array of bytes. Previously if one of the boundary values was a numeric string, then the other boundary value was implicitly cast to int.
	range	An E_WARNING is now emitted if start or end is a string that is implicitly cast to int because the other boundary value is a number.
	range	An E_WARNING is now emitted if start or end is a non-numeric string with more than one byte.
	range	An E_WARNING is now emitted if start or end is the empty string.
	range	If step is a float with no fractional part, it will be interpreted as an int.
	range	A ValueError is now thrown if step is negative when producing an increasing range.
	range	A ValueError is now thrown if step is not finite.
	range	A TypeError is now thrown if start or end is an array, object, or resource. Previously they were implicitly cast to int.
	srand	seed is now nullable.
	strrchr	The before_needle parameter was added.
	strtok	Now emits E_WARNING when token is not provided.
	unserialize	Now emits E_WARNING when the passed string is not unserializeable; previously E_NOTICE was emitted.
	xml_parser_get_option	The function now returns a boolean for boolean options.
	xml_parser_set_option	The value parameter now also accepts booleans. The options XML_OPTION_CASE_FOLDING and XML_OPTION_SKIP_WHITE are now boolean options.
	IntlBreakIterator::setText	This method now returns false on failure; previously it returns null.
	IntlChar::enumCharNames	This method now returns false on failure; previously it returns null.
	IntlDateFormatter::setTimeZone	This function now returns true on success; previously it returns null.
	mysqli_result::fetch_object	Now throws a ValueError exception when the constructor_args is non-empty with the class not having constructor; previously an Exception was thrown.
	mysqli::poll	Now throws a ValueError exception when neither the read nor error arguments are passed.
	Phar::setStub	Calling Phar::setStub with a resource and a length is now deprecated. Such calls should be replaced by: $phar->setStub(stream_get_contents($resource));
	ReflectionClass::getStaticProperties	The return type of ReflectionClass::getStaticProperties has been changed to array from ?array.
	ReflectionProperty::setValue	Calling this method with a single argument is deprecated, ReflectionClass::setStaticPropertyValue should be used instead to modify static properties.
	SQLite3::enableExceptions	Calling SQLite3::enableExceptions with enable as false will trigger a E_DEPRECATED warning.
	ZipArchive::addFile	ZipArchive::FL_OPEN_FILE_NOW was added.
	ZipArchive::addFile	ZipArchive::LENGTH_TO_END and ZipArchive::LENGTH_UNCHECKED were added.
	ZipArchive::addGlob	ZipArchive::FL_OPEN_FILE_NOW was added.
	ZipArchive::replaceFile	ZipArchive::FL_OPEN_FILE_NOW was added.
	ZipArchive::replaceFile	ZipArchive::LENGTH_TO_END and ZipArchive::LENGTH_UNCHECKED were added.
8.2.9	DateTimeImmutable::createFromFormat	The (space) specifier now also supports NBSP (U+A0) and NNBSP (U+202F) characters.
8.2.1	SplFileObject::__toString	Changed from an alias of SplFileObject::fgets to an implementation of SplFileObject::current which returns a CSV string when the SplFileObject::READ_CSV flag is set.
8.2.0	ArrayIterator::asort	The return type is true now; previously, it was bool.
	ArrayIterator::ksort	The return type is true now; previously, it was bool.
	ArrayIterator::natcasesort	The return type is true now; previously, it was bool.
	ArrayIterator::natsort	The return type is true now; previously, it was bool.
	ArrayIterator::uasort	The return type is true now; previously, it was bool.
	ArrayIterator::uksort	The return type is true now; previously, it was bool.
	ArrayObject::asort	The return type is true now; previously, it was bool.
	ArrayObject::ksort	The return type is true now; previously, it was bool.
	ArrayObject::natcasesort	The return type is true now; previously, it was bool.
	ArrayObject::natsort	The return type is true now; previously, it was bool.
	ArrayObject::uasort	The return type is true now; previously, it was bool.
	ArrayObject::uksort	The return type is true now; previously, it was bool.
	DateInterval::__construct	Only the y to f, invert, and days will be visible, including a new from_string boolean property.
	DateInterval::createFromDateString	Only the from_string and date_string properties will be visible when a DateInterval is created with this method.
	DatePeriod::__construct	The DatePeriod::INCLUDE_END_DATE constant has been added.
	DateTime::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	DateTimeInterface::format	The format characters X and x have been added.
	DateTimeImmutable::createFromFormat	The X and x format specifiers have been added.
	DateTimeImmutable::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	DateTimeImmutable::getLastErrors	Before PHP 8.2.0, this function did not return false when there were no warnings or errors. Instead, it would always return the documented array structure.
	FilesystemIterator::__construct	Prior to PHP 8.2.0, FilesystemIterator::SKIP_DOTS was always set and could not be removed.
	array_walk	The return type is true now; previously, it was bool.
	array_walk_recursive	The return type is true now; previously, it was bool.
	arsort	The return type is true now; previously, it was bool.
	asort	The return type is true now; previously, it was bool.
	curl_getinfo	Introduced CURLINFO_PROXY_ERROR, CURLINFO_REFERER, CURLINFO_RETRY_AFTER.
	curl_multi_setopt	Introduced CURLMOPT_MAX_CONCURRENT_STREAMS.
	date_parse_from_format	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	dba_fetch	dba_fetch's optional skip argument is now at the end in line with PHP userland semantics. The previously overloaded signature is still accepted but discouraged.
	dba_open	flags is added.
	dba_open	handler is now nullable.
	dba_popen	flags is added.
	getimagesize	Now returns the actual image dimensions, bits and channels of AVIF images; previously, the dimensions were reported as 0x0, and bits and channels were not reported at all.
	idate	Adds the N (ISO-8601 day of the week) and o (ISO-8601 year) format characters.
	iterator_count	The type of iterator has been widened from Traversable to Traversablearray.
	iterator_to_array	The type of iterator has been widened from Traversable to Traversablearray.
	krsort	The return type is true now; previously, it was bool.
	krsort	This function now does numeric string comparison under SORT_REGULAR using the standard PHP 8 rules.
	ksort	The return type is true now; previously, it was bool.
	ksort	This function now does numeric string comparison under SORT_REGULAR using the standard PHP 8 rules.
	lcfirst	Case conversion no longer depends on the locale set with setlocale. Only ASCII characters will be converted.
	mb_convert_encoding	mb_convert_encoding will no longer return the following non text encodings: "Base64", "QPrint", "UUencode", "HTML entities", "7 bit" and "8 bit".
	mb_convert_kana	A ValueError is now thrown if the combination of different modes is invalid.
	mb_detect_encoding	mb_detect_encoding will no longer return the following non text encodings: "Base64", "QPrint", "UUencode", "HTML entities", "7 bit" and "8 bit".
	natcasesort	The return type is true now; previously, it was bool.
	natsort	The return type is true now; previously, it was bool.
	openlog	The function now always returns true. Previously it returned false on failure.
	pg_close	The return type is true now; previously, it was bool.
	pg_untrace	The return type is true now; previously, it was bool.
	random_bytes	In case of a CSPRNG failure, this function will now throw a Random\RandomException. Previously a plain Exception was thrown.
	random_int	In case of a CSPRNG failure, this function will now throw a Random\RandomException. Previously a plain Exception was thrown.
	rsort	The return type is true now; previously, it was bool.
	setcookie	The date format of the cookie is now 'D, d M Y H:i:s \G\M\T'; previously it was 'D, d-M-Y H:i:s T'.
	snmp_set_enum_print	The return type is true now; previously, it was bool.
	snmp_set_oid_output_format	The return type is true now; previously, it was bool.
	snmp_set_quick_print	The return type is true now; previously, it was bool.
	snmp_set_valueretrieval	The return type is true now; previously, it was bool.
	sort	The return type is true now; previously, it was bool.
	str_ireplace	Case folding no longer depends on the locale set with setlocale. Only ASCII case folding will be done. Non-ASCII bytes will be compared by their byte value.
	str_split	If string is empty an empty array is now returned. Previously an array containing a single empty string was returned.
	strcasecmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	strcmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	stripos	Case folding no longer depends on the locale set with setlocale. Only ASCII case folding will be done. Non-ASCII bytes will be compared by their byte value.
	stristr	Case folding no longer depends on the locale set with setlocale. Only ASCII case folding will be done. Non-ASCII bytes will be compared by their byte value.
	strnatcasecmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	strnatcmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	strncasecmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	strncmp	This function now returns -1 or 1, where it previously returned a negative or positive number.
	strripos	Case folding no longer depends on the locale set with setlocale. Only ASCII case folding will be done. Non-ASCII bytes will be compared by their byte value.
	strtolower	Case conversion no longer depends on the locale set with setlocale. Only ASCII characters will be converted.
	strtoupper	Case conversion no longer depends on the locale set with setlocale. Only ASCII characters will be converted.
	substr_compare	This function now returns -1 or 1, where it previously returned a negative or positive number.
	uasort	The return type is true now; previously, it was bool.
	ucfirst	Case conversion no longer depends on the locale set with setlocale. Only ASCII characters will be converted.
	ucwords	Case conversion no longer depends on the locale set with setlocale. Only ASCII characters will be converted.
	uksort	The return type is true now; previously, it was bool.
	usort	The return type is true now; previously, it was bool.
	utf8_decode	This function has been deprecated.
	utf8_encode	This function has been deprecated.
	var_export	Exported class names are now fully qualified; previously, the leading backslash was ommitted.
	IntlCalendar::clear	The return type is true now; previously, it was bool.
	IntlCalendar::set	The return type is true now; previously, it was bool.
	IntlCalendar::setFirstDayOfWeek	The return type is true now; previously, it was bool.
	IntlCalendar::setLenient	The return type is true now; previously, it was bool.
	IntlCalendar::setRepeatedWallTimeOption	The return type is true now; previously, it was bool.
	IntlCalendar::setSkippedWallTimeOption	The return type is true now; previously, it was bool.
	ReflectionEnum::getBackingType	The return type is now declared as ?ReflectionNamedType. Previously, ?ReflectionType was declared.
8.1.14	SplFileObject::__toString	Changed from an alias of SplFileObject::fgets to an implementation of SplFileObject::current which returns a CSV string when the SplFileObject::READ_CSV flag is set.
8.1.8	DateTime::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	DateTimeImmutable::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	date_parse_from_format	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
8.1.0	DateTime::setTime	The behaviour with double existing hours (during the fall-back DST transition) changed. Previously PHP would pick the second occurrence (after the DST transition), instead of the first occurrence (before DST transition).
	DateTimeImmutable::setTime	The behaviour with double existing hours (during the fall-back DST transition) changed. Previously PHP would pick the second occurrence (after the DST transition), instead of the first occurrence (before DST transition).
	DirectoryIterator::key	When the iterator is uninitialized, an Error is thrown now. Previously, the method returned false.
	DOMDocument::createComment	In case of an error, a DomException is thrown now. Previously, false was returned.
	DOMDocument::createDocumentFragment	In case of an error, a DomException is thrown now. Previously, false was returned.
	DOMDocument::createTextNode	In case of an error, a DomException is thrown now. Previously, false was returned.
	current	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	date_sunrise	This function has been deprecated in favor of date_sun_info.
	date_sunset	This function has been deprecated in favor of date_sun_info.
	dba_popen	handler is now nullable.
	end	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	exif_imagetype	Added AVIF support.
	finfo_buffer	The finfo parameter expects an finfo instance now; previously, a resource was expected.
	finfo_close	The finfo parameter expects an finfo instance now; previously, a resource was expected.
	finfo_file	The finfo parameter expects an finfo instance now; previously, a resource was expected.
	finfo_open	Returns an finfo instance now; previously, a resource was returned.
	finfo_set_flags	The finfo parameter expects an finfo instance now; previously, a resource was expected.
	fputcsv	The optional eol parameter has been added.
	ftp_alloc	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_append	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_cdup	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_chdir	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_chmod	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_close	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_connect	Returns an FTP\Connection instance now; previously, a resource was returned.
	ftp_delete	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_exec	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_fget	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_fput	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_get	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_get_option	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_login	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_mdtm	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_mkdir	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_mlsd	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nb_continue	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nb_fget	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nb_fput	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nb_get	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nb_put	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_nlist	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_pasv	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_put	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_pwd	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_raw	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_rawlist	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_rename	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_rmdir	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_set_option	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_site	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_size	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	ftp_ssl_connect	Returns an FTP\Connection instance now; previously, a resource was returned.
	ftp_systype	The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected.
	get_html_translation_table	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	hash	The options parameter has been added.
	hash_algos	Support for MurmurHash3 and xxHash algorithms has been added.
	hash_file	The options parameter has been added.
	hash_init	The options parameter has been added.
	html_entity_decode	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlentities	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlspecialchars	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlspecialchars_decode	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	imagechar	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imagecharup	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imagefilledpolygon	The parameter num_points has been deprecated.
	imagefontheight	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imagefontwidth	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imageloadfont	Returns an GdFont instance now; previously, an int was returned.
	imageopenpolygon	The parameter num_points has been deprecated.
	imagepolygon	The parameter num_points has been deprecated.
	imagestring	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imagestringup	The font parameter now accepts both an GdFont instance and an int; previously only int was accepted.
	imagetypes	IMG_AVIF added.
	ini_set	value now accepts any scalar type (including null). Previously, only string values were accepted.
	key	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	ldap_add	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_add_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_add_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_bind	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_bind_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_bind_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_compare	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_connect	Returns an LDAP\Connection instance now; previously, a resource was returned.
	ldap_count_entries	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_count_entries	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_count_references	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_count_references	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_delete	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_delete_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_delete_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_errno	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_error	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_exop	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_exop_passwd	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_exop_refresh	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_exop_whoami	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_first_attribute	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_first_attribute	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_first_entry	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_first_entry	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_first_entry	Returns an LDAP\ResultEntry instance now; previously, a resource was returned.
	ldap_free_result	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_get_attributes	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_attributes	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_get_dn	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_dn	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_get_entries	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_entries	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_get_option	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_values	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_values	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_get_values_len	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_get_values_len	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_list	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_list	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_mod_add	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_del	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_replace	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_modify_batch	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_add_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_add_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_mod_del_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_del_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_mod_replace_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_mod_replace_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_next_attribute	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_next_attribute	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_next_entry	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_next_entry	The entry parameter expects an LDAP\ResultEntry instance now; previously, a valid ldap result entry resource was expected.
	ldap_next_entry	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_parse_exop	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_parse_exop	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_parse_result	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_parse_result	The result parameter expects an LDAP\Result instance now; previously, a valid ldap result resource was expected.
	ldap_read	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_read	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_rename	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_rename_ext	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_rename_ext	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_sasl_bind	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_search	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_search	Returns an LDAP\Result instance now; previously, a resource was returned.
	ldap_set_option	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_set_rebind_proc	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	ldap_unbind	The ldap parameter expects an LDAP\Connection instance now; previously, a valid ldap link resource was expected.
	mb_check_encoding	Calling this function with null as value or without argument is deprecated.
	mhash	This function has been deprecated. Use the hash_*() functions instead.
	mhash_count	This function has been deprecated. Use the hash_*() functions instead.
	mhash_get_block_size	This function has been deprecated. Use the hash_*() functions instead.
	mhash_get_hash_name	This function has been deprecated. Use the hash_*() functions instead.
	mhash_keygen_s2k	This function has been deprecated. Use the hash_*() functions instead.
	next	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	odbc_result_all	This function has been deprecated.
	openssl_cms_encrypt	The default cipher algorithm (cipher_algo) is now AES-128-CBC (OPENSSL_CIPHER_AES_128_CBC). Previously, PKCS7/CMS was used (OPENSSL_CIPHER_RC2_40).
	openssl_decrypt	tag is now nullable.
	openssl_pkcs7_encrypt	The default cipher algorithm (cipher_algo) is now AES-128-CBC (OPENSSL_CIPHER_AES_128_CBC). Previously, PKCS7/CMS was used (OPENSSL_CIPHER_RC2_40).
	pg_affected_rows	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_cancel_query	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_client_encoding	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_close	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_connect	Returns an PgSql\Connection instance now; previously, a resource was returned.
	pg_connect_poll	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_connection_busy	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_connection_reset	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_connection_status	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_consume_input	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_convert	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_copy_from	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_copy_to	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_dbname	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_delete	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_end_copy	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_escape_bytea	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_escape_identifier	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_escape_literal	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_escape_string	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_execute	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_execute	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_fetch_all	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_all_columns	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_array	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_assoc	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_object	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_result	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_fetch_row	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_is_null	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_name	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_num	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_prtlen	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_size	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_table	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_type	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_field_type_oid	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_flush	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_free_result	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_get_notify	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_get_pid	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_get_result	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_get_result	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_host	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_insert	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_insert	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_last_error	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_last_notice	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_last_oid	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_lo_close	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_create	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_lo_export	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_lo_import	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_lo_open	Returns an PgSql\Lob instance now; previously, a resource was returned.
	pg_lo_open	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_lo_read	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_read_all	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_seek	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_tell	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_truncate	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_lo_unlink	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_lo_write	The lob parameter expects an PgSql\Lob instance now; previously, a resource was expected.
	pg_meta_data	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_num_fields	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_num_rows	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_options	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_parameter_status	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_pconnect	Returns an PgSql\Connection instance now; previously, a resource was returned.
	pg_ping	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_port	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_prepare	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_prepare	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_put_line	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_query	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_query	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_query_params	Returns an PgSql\Result instance now; previously, a resource was returned.
	pg_query_params	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_result_error	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_result_error_field	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_result_seek	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_result_status	The result parameter expects an PgSql\Result instance now; previously, a resource was expected.
	pg_select	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_send_execute	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_send_prepare	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_send_query	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_send_query_params	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_set_client_encoding	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_set_error_verbosity	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_socket	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_trace	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_transaction_status	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_tty	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_untrace	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_update	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	pg_version	The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected.
	prev	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	reset	Calling this function on objects is deprecated. Either convert the object to an array using get_mangled_object_vars first, or use the methods provided by a class that implements Iterator, such as ArrayIterator, instead.
	snmp3_get	The auth_protocol now accepts "SHA256" and "SHA512" when supported by libnetsnmp.
	snmp3_getnext	The auth_protocol now accepts "SHA256" and "SHA512" when supported by libnetsnmp.
	snmp3_real_walk	The auth_protocol now accepts "SHA256" and "SHA512" when supported by libnetsnmp.
	snmp3_walk	The auth_protocol now accepts "SHA256" and "SHA512" when supported by libnetsnmp.
	stream_select	microseconds is now nullable.
	strptime	This function has been deprecated. Use date_parse_from_format instead (for locale-independent parsing), or IntlDateFormatter::parse (for locale-dependent parsing)
	IntlDateFormatter::create	Parameters dateType and timeType are now optional.
	MultipleIterator::current	A RuntimeException is now thrown if MultipleIterator::current is called on an invalid iterator. Previously, false was returned.
	MultipleIterator::key	A RuntimeException is now thrown if MultipleIterator::key is called on an invalid iterator. Previously, false was returned.
	mysqli_driver::$report_mode	The default value is now MYSQLI_REPORT_ERROR \| MYSQLI_REPORT_STRICT. Previously, it was MYSQLI_REPORT_OFF.
	mysqli_result::fetch_all	Now also available when linking against libmysqlclient.
	mysqli_stmt::execute	The optional params parameter has been added.
	mysqli_stmt::next_result	Now also available when linking against libmysqlclient.
	mysqli::__construct	mysqli::connect now returns true instead of null on success.
	mysqli::$client_info	Calling mysqli_get_client_info with the mysql argument has been deprecated. This function never required a parameter, but incorrectly allowed it as an optional parameter.
	mysqli::$client_info	The object-oriented style mysqli::get_client_info has been deprecated.
	mysqli::init	The object-oriented style mysqli::init method has been deprecated. Replace calls to parent::init with parent::__construct.
	Phar::buildFromDirectory	Phar::buildFromDirectory no longer returns false.
	Phar::buildFromIterator	Phar::buildFromIterator no longer returns false.
	PharData::buildFromDirectory	PharData::buildFromDirectory no longer returns false.
	PharData::buildFromIterator	PharData::buildFromIterator no longer returns false.
	ReflectionFunctionAbstract::isStatic	This method has been pulled up. Previously, it was only defined in ReflectionMethod.
	ReflectionClassConstant::getName	Throws an Error in case the name property has not been initialized. Previously, the method returned false on failure.
	ReflectionExtension::__clone	This method is no longer final.
	ReflectionFunctionAbstract::__clone	This method is no longer final.
	ReflectionParameter::__clone	This method is no longer final.
	ReflectionProperty::__clone	This method is no longer final.
	ReflectionProperty::getValue	Private and protected properties can be accessed by ReflectionProperty::getValue right away. Previously, they needed to be made accessible by calling ReflectionProperty::setAccessible; otherwise a ReflectionException was thrown.
	ReflectionProperty::setValue	Private and protected properties can be accessed by ReflectionProperty::setValue right away. Previously, they needed to be made accessible by calling ReflectionProperty::setAccessible; otherwise a ReflectionException was thrown.
	ReflectionZendExtension::__clone	This method is no longer final.
	SimpleXMLElement::current	An Error is now thrown if SimpleXMLElement::current is called on an invalid iterator. Previously, null was returned.
	SimpleXMLElement::key	An Error is now thrown if SimpleXMLElement::key is called on an invalid iterator. Previously, false was returned.
	SplFileObject::fputcsv	The optional eol parameter has been added.
	SplObjectStorage::current	SplObjectStorage::current now throws an Error exception if the current position is invalid. Previously, false was returned instead.
8.0.21	DateTime::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	DateTimeImmutable::createFromFormat	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
	date_parse_from_format	Now throws ValueError when NULL-bytes are passed into datetime, which previously was silently ignored.
8.0.5	imageinterlace	imageinterlace returns a bool now; previously it returned an int (non-zero for interlaced images, zero otherwise).
8.0.3	DOMDocument::getElementsByTagNameNS	namespace is nullable now.
	DOMElement::getElementsByTagNameNS	namespace is nullable now.
	DOMImplementation::createDocument	namespace is now nullable.
	finfo::__construct	magic_database is nullable now.
	bind_textdomain_codeset	codeset is nullable now. Previously, it was not possible to retrieve the currently set encoding.
	bindtextdomain	directory is nullable now. Previously, it was not possible to retrieve the currently set directory.
	finfo_open	magic_database is nullable now.
	imagegd	file is now nullable.
	imagegd2	file is now nullable.
	SoapClient::__setLocation	location is nullable now.
	SoapVar::__construct	typeName, typeNamespace, nodeName,and nodeNamespace are nullable now.
8.0.0	CURLFile::__construct	mime_type and posted_filename are nullable now; previously their default was 0.
	DateInterval::__construct	W can be combined with D.
	DateTime::createFromImmutable	The method returns an instance of the currently invoked class now. Previously, it created a new instance of DateTime.
	DateTimeInterface::format	The format character p has been added.
	DateTimeInterface::getTimestamp	These functions no longer return false on failure.
	DateTimeImmutable::createFromMutable	The method returns an instance of the currently invoked class now. Previously, it created a new instance of DateTimeImmutable.
	DateTimeZone::listIdentifiers	Prior to this version, false was returned on failure.
	Directory::close	No parameter is accepted. Previously, a directory handle could be passed as argument.
	Directory::read	No parameter is accepted. Previously, a directory handle could be passed as argument.
	Directory::rewind	No parameter is accepted. Previously, a directory handle could be passed as argument.
	DirectoryIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	DOMDocument::load	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMDocument::loadHTML	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMDocument::loadHTMLFile	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMDocument::loadXML	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMImplementation::createDocument	doctype is now nullable.
	DOMImplementation::createDocument	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMImplementation::createDocumentType	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	DOMImplementation::hasFeature	Calling this function statically will now throw an Error. Previously, an E_DEPRECATED was raised.
	FFI::cdef	lib is nullable now.
	FFI::string	size is nullable now; previously, its default was 0.
	FilesystemIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	abs	num no longer accepts internal objects which support numeric conversion.
	apache_note	note_value is nullable now.
	array_chunk	If length is less than 1, a ValueError will be thrown now; previously, an error of level E_WARNING has been raised instead, and the function returned null.
	array_column	Objects in columns indicated by index_key parameter will no longer be cast to string and will now throw a TypeError instead.
	array_combine	array_combine will now throw a ValueError if the number of elements for each array is not equal; previously this function returned false instead.
	array_diff	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_diff_assoc	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_diff_key	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_fill	array_fill now throws a ValueError if count is out of range; previously E_WARNING was raised, and the function returned false.
	array_filter	callback is nullable now.
	array_filter	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	array_intersect	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_intersect_assoc	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_intersect_key	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_key_exists	The key parameter now accepts bool, float, int, null, resource, and string as arguments.
	array_map	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	array_rand	array_rand now throws a ValueError if num is out of range; previously an E_WARNING was raised, and the function returned null.
	array_rand	array_rand now throws a ValueError if array is empty; previously an E_WARNING was raised, and the function returned null.
	array_reduce	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	array_splice	length is nullable now.
	array_walk	If callback expects the second or third parameter to be passed by reference, this function will now emit an E_WARNING.
	assert	assert will no longer evaluate string arguments, instead they will be treated like any other argument. assert($a == $b) should be used instead of assert('$a == $b'). The assert.quiet_eval php.ini directive and the ASSERT_QUIET_EVAL constant have also been removed, as they would no longer have any effect.
	assert	If description is an instance of Throwable, the object is thrown if the assertion fails, regardless of the value of assert.exception.
	assert	If description is an instance of Throwable, no user callback is called even if it set.
	assert	Declaring a function called assert() inside a namespace is no longer allowed, and issues E_COMPILE_ERROR.
	assert_options	If option is not a valid option, a ValueError is now thrown. Previously false was returned.
	bcadd	scale is now nullable.
	bccomp	scale is now nullable.
	bcdiv	scale is now nullable.
	bcmod	scale is now nullable.
	bcmul	scale is now nullable.
	bcpowmod	scale is now nullable.
	bcscale	scale is now nullable.
	bcsqrt	If num is not a well-formed BCMath numeric string, or less than 0, a ValueError is thrown. Previously, E_WARNING was raised instead.
	bcsqrt	scale now needs to be between 0 and 2147483647; previously, negative scales have been silently treated as 0.
	bcsqrt	scale is now nullable.
	bcsub	scale is now nullable.
	bzdecompress	The type of use_less_memory has been changed from int to bool. Previously, the default value was 0.
	bzwrite	length is nullable now.
	call_user_func_array	args keys will now be interpreted as parameter names, instead of being silently ignored.
	ceil	num no longer accepts internal objects which support numeric conversion.
	com_event_sink	sink_interface is nullable now.
	com_get_active_object	codepage is nullable now.
	compact	If a given string references an unset variable, an E_WARNING level error is now issued.
	constant	If the constant is not defined, constant now throws an Error exception; previously an E_WARNING was generated, and null was returned.
	convert_uuencode	Prior to this version, trying to convert an empty string returned false for no particular reason.
	count	count will now throw TypeError on invalid countable types passed to the value parameter.
	count_chars	Prior to this version, the function returned false on failure.
	crypt	The salt is no longer optional.
	curl_close	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_copy_handle	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_copy_handle	On success, this function returns a CurlHandle instance now; previously, a resource was returned.
	curl_errno	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_error	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_escape	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_exec	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_getinfo	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_getinfo	option is nullable now; previously, the default was 0.
	curl_init	On success, this function returns a CurlHandle instance now; previously, a resource was returned.
	curl_init	url is nullable now.
	curl_multi_add_handle	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_add_handle	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_multi_close	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_errno	The function no longer returns false on failure.
	curl_multi_errno	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_exec	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_getcontent	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_multi_info_read	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_init	On success, this function returns a CurlMultiHandle instance now; previously, a resource was returned.
	curl_multi_remove_handle	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_remove_handle	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_multi_select	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_multi_setopt	multi_handle expects a CurlMultiHandle instance now; previously, a resource was expected.
	curl_pause	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_reset	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_setopt	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_setopt_array	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_share_close	share_handle expects a CurlShareHandle instance now; previously, a resource was expected.
	curl_share_errno	The function no longer returns false on failure.
	curl_share_errno	share_handle expects a CurlShareHandle instance now; previously, a resource was expected.
	curl_share_init	This function returns a CurlShareHandle instance now; previously, a resource was returned.
	curl_share_setopt	share_handle expects a CurlShareHandle instance now; previously, a resource was expected.
	curl_unescape	handle expects a CurlHandle instance now; previously, a resource was expected.
	curl_version	The optional age parameter has been removed.
	date	timestamp is nullable now.
	date_sunrise	latitude, longitude, zenith and utcOffset are nullable now.
	date_sunset	latitude, longitude, zenith and utcOffset are nullable now.
	define	Passing true to case_insensitive now emits an E_WARNING. Passing false is still allowed.
	deflate_add	context expects a DeflateContext instance now; previously, a resource was expected.
	deflate_init	On success, this function returns a DeflateContext instance now; previously, a resource was returned.
	dir	context is now nullable.
	dom_import_simplexml	This function no longer returns null on failure.
	easter_date	year is nullable now.
	easter_date	A ValueError is now thrown when year is outside the allowed range. Previously, an E_WARNING was raised and the function returned false.
	easter_days	year is nullable now.
	enchant_broker_describe	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_describe	Prior to this version, the function returned false on failure.
	enchant_broker_dict_exists	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_free	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_free_dict	dictionary expects a EnchantDictionary now; previoulsy, a resource was expected.
	enchant_broker_get_dict_path	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_get_error	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_init	On success, this function returns an EnchantBroker instance now; previously, a resource was returned.
	enchant_broker_list_dicts	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_list_dicts	Prior to this version, the function returned false on failure.
	enchant_broker_request_dict	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_request_dict	On success, this function returns an EnchantDictionary instance now; previoulsy, a resource was retured.
	enchant_broker_request_pwl_dict	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_request_pwl_dict	On success, this function returns an EnchantDictionary instance now; previoulsy, a resource was retured.
	enchant_broker_set_dict_path	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_broker_set_ordering	broker expects an EnchantBroker instance now; previoulsy, a resource was expected.
	enchant_dict_add	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_add_to_session	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_check	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_describe	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_describe	Prior to this version, the function returned false on failure.
	enchant_dict_get_error	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_is_added	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_quick_check	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_store_replacement	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	enchant_dict_suggest	dictionary expects an EnchantDictionary instance now; previoulsy, a resource was expected.
	error_log	destination and additional_headers are now nullable.
	error_reporting	error_level is nullable now.
	exec	If command is empty or contains null bytes, exec now throws a ValueError. Previously it emitted an E_WARNING and returned false.
	exif_read_data	required_sections is nullable now.
	explode	explode will now throw ValueError when separator parameter is given an empty string (""). Previously, explode returned false instead.
	fgetcsv	length is now nullable.
	file_get_contents	length is nullable now.
	finfo_buffer	context is nullable now.
	finfo_file	context is nullable now.
	floatval	The error level when converting from object was changed from E_NOTICE to E_WARNING.
	floor	num no longer accepts internal objects which support numeric conversion.
	fprintf	This function no longer returns false on failure.
	fprintf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	fprintf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	fprintf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	fprintf	Throw a ArgumentCountError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	fsockopen	timeout is nullable now.
	fwrite	length is nullable now.
	get_called_class	Calling this function from outside a class, will now throw an Error. Previously, an E_WARNING was raised and the function returned false.
	get_class	Calling this function from outside a class, without any arguments, will now throw an Error. Previously, an E_WARNING was raised and the function returned false.
	get_class_methods	The object_or_class parameter now only accepts objects or valid class names.
	get_defined_functions	The default value of the exclude_disabled parameter has been changed from false to true.
	get_headers	The associative has been changed from int to bool.
	get_parent_class	The object_or_class parameter now only accepts objects or valid class names.
	get_resources	type is nullable now.
	getdate	timestamp is nullable now.
	getenv	The name is now nullable.
	gmdate	timestamp is nullable now.
	gmmktime	hour is no longer optional. If you need a Unix timestamp, use time.
	gmmktime	minute, second, month, day and year are nullable now.
	gmp_binomial	This function no longer returns false on failure.
	gmp_export	This function no longer returns false on failure.
	gmp_import	This function no longer returns false on failure.
	gmp_random_seed	If seed is invalid, gmp_random_seed now throws a ValueError. Previously it emitted an E_WARNING and returned false.
	gmstrftime	timestamp is nullable now.
	grapheme_substr	The function now consistently clamps out-of-bounds offsets to the string boundary. Previously, false was returned instead of the empty string in some cases.
	gzgets	length is nullable now; previously, the default was 1024.
	gzwrite	length is nullable now; previously, the default was 0.
	hash	hash now throws a ValueError exception if algo is unknown; previously, false was returned instead.
	hash_hkdf	Now throws a ValueError exception on error. Previously, false was returned and an E_WARNING message was emitted.
	hash_hmac	Now throws a ValueError exception if algo is unknown or is a non-cryptographic hash function; previously, false was returned instead.
	hash_hmac_file	Now throws a ValueError exception if algo is unknown or is a non-cryptographic hash function; previously, false was returned instead.
	hash_init	Now throws an ValueError exception if the algo is unknown or is a non-cryptographic hash function, or if key is empty. Previously, false was returned and an E_WARNING message was emitted.
	hash_pbkdf2	Now throws a ValueError exception on error. Previously, false was returned and an E_WARNING message was emitted.
	hash_update_file	stream_context is now nullable.
	header_remove	name is nullable now.
	html_entity_decode	encoding is nullable now.
	htmlentities	encoding is nullable now.
	http_build_query	arg_separator is now nullable.
	iconv_mime_decode	encoding is nullable now.
	iconv_mime_decode_headers	encoding is nullable now.
	iconv_strlen	encoding is nullable now.
	iconv_strpos	encoding is nullable now.
	iconv_strrpos	encoding is nullable now.
	iconv_substr	length and encoding are nullable now.
	idate	timestamp is nullable now.
	ignore_user_abort	enable is nullable now.
	imageaffine	clip is now nullable.
	imageaffine	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagealphablending	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageantialias	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagearc	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagebmp	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagebmp	The type of compressed is bool now; formerly it was int.
	imagechar	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecharup	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorallocate	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorallocatealpha	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorat	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorclosest	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorclosesthwb	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolordeallocate	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorexact	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorexactalpha	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolormatch	image1 and image2 expect GdImage instances now; previously, resources were expected.
	imagecolorresolve	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorresolvealpha	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorset	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorsforindex	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolorsforindex	imagecolorsforindex now throws a ValueError exception if color is out of range; previously, false was returned instead.
	imagecolorstotal	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolortransparent	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecolortransparent	color is now nullable.
	imageconvolution	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecopy	dst_image and src_image expect GdImage instances now; previously, resources were expected.
	imagecopymerge	dst_image and src_image expect GdImage instances now; previously, resources were expected.
	imagecopymergegray	dst_image and src_image expect GdImage instances now; previously, resources were expected.
	imagecopyresampled	dst_image and src_image expect GdImage instances now; previously, resources were expected.
	imagecopyresized	dst_image and src_image expect GdImage instances now; previously, resources were expected.
	imagecreate	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefrombmp	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromgd	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromgd2	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromgd2part	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromgif	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromjpeg	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefrompng	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromstring	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromtga	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromwbmp	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromwebp	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromxbm	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromxpm	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatetruecolor	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecrop	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecrop	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecropauto	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagecropauto	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagedashedline	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagedestroy	This function is a NOP now.
	imagedestroy	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageellipse	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefill	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilledarc	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilledellipse	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilledpolygon	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilledrectangle	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilltoborder	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefilter	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageflip	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagefttext	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegammacorrect	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegd	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegd2	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegetclip	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegetinterpolation	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegif	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagegrabscreen	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagegrabwindow	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagegrabwindow	client_area expects a bool now; previously it expected an int.
	imageinterlace	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageinterlace	enable expects a bool now; previously it expected an int.
	imageistruecolor	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagejpeg	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagelayereffect	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageline	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageopenpolygon	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagepalettecopy	dst and src expect GdImage instances now; previously, resources were expected.
	imagepalettetotruecolor	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagepng	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagepolygon	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagerectangle	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imageresolution	resolution_x and resolution_y are now nullable.
	imagerotate	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagerotate	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagerotate	The unused ignore_transparent expects a bool now; previously it expected an int.
	imagesavealpha	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagescale	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagescale	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesetbrush	image and brush expect GdImage instances now; previously, resources were expected.
	imagesetclip	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesetinterpolation	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesetpixel	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesetthickness	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesettile	image and tile expect GdImage instances now; previously, resources were expected.
	imagestring	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagestringup	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesx	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagesy	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagetruecolortopalette	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagettfbbox	The options has been added.
	imagettftext	The options has been added.
	imagewbmp	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagewbmp	foreground_color is nullable now.
	imagewebp	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagexbm	image expects a GdImage instance now; previously, a valid gd resource was expected.
	imagexbm	foreground_color is now nullable.
	imagexbm	The fourth parameter, which was unused, has been removed.
	implode	Passing the separator after the array is no longer supported.
	inflate_add	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_get_read_len	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_get_status	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_init	On success, this function returns an InflateContext instance now; previously, a resource was returned.
	intval	The error level when converting from object was changed from E_NOTICE to E_WARNING.
	is_numeric	Numeric strings ending with whitespace ("42 ") will now return true. Previously, false was returned instead.
	jdtounix	This function no longer returns false on failure, but raises a ValueError instead.
	ldap_add	controls is nullable now; previously, it defaulted to [].
	ldap_add_ext	controls is nullable now; previously, it defaulted to [].
	ldap_bind_ext	controls is nullable now; previously, it defaulted to [].
	ldap_compare	controls is nullable now; previously, it defaulted to [].
	ldap_control_paged_result	This function has been removed.
	ldap_control_paged_result_response	This function has been removed.
	ldap_delete	controls is nullable now; previously, it defaulted to [].
	ldap_delete_ext	controls is nullable now; previously, it defaulted to [].
	ldap_exop_passwd	controls is nullable now; previously, it defaulted to [].
	ldap_first_attribute	The unused third parameter ber_identifier is no longer accepted.
	ldap_list	controls is nullable now; previously, it defaulted to [].
	ldap_mod_add	controls is nullable now; previously, it defaulted to [].
	ldap_mod_del	controls is nullable now; previously, it defaulted to [].
	ldap_mod_replace	controls is nullable now; previously, it defaulted to [].
	ldap_modify_batch	controls is nullable now; previously, it defaulted to [].
	ldap_mod_add_ext	controls is nullable now; previously, it defaulted to [].
	ldap_mod_del_ext	controls is nullable now; previously, it defaulted to [].
	ldap_mod_replace_ext	controls is nullable now; previously, it defaulted to [].
	ldap_next_attribute	The unused third parameter ber_identifier is no longer accepted.
	ldap_read	controls is nullable now; previously, it defaulted to [].
	ldap_rename	controls is nullable now; previously, it defaulted to [].
	ldap_rename_ext	controls is nullable now; previously, it defaulted to [].
	ldap_sasl_bind	dn, password, mech, realm, authc_id, authz_id and props are nullable now.
	ldap_search	controls is nullable now; previously, it defaulted to [].
	ldap_set_rebind_proc	callback is nullable now.
	ldap_sort	This function has been removed.
	levenshtein	Prior to this version, levenshtein had to be called with either two or five arguments.
	levenshtein	Prior to this version, levenshtein would return -1 if one of the argument strings is longer than 255 characters.
	libxml_use_internal_errors	use_errors is nullable now. Previously, its default was false.
	localtime	timestamp is nullable now.
	max	max throws a ValueError on failure now; previously, false was returned and an E_WARNING error was emitted.
	max	As string to number comparisons were changed, max no longer returns a different value based on the argument order in those cases.
	mb_check_encoding	value and encoding are nullable now.
	mb_chr	encoding is nullable now.
	mb_convert_encoding	mb_convert_encoding will now throw a ValueError when to_encoding is passed an invalid encoding.
	mb_convert_encoding	mb_convert_encoding will now throw a ValueError when from_encoding is passed an invalid encoding.
	mb_convert_encoding	from_encoding is nullable now.
	mb_convert_kana	encoding is nullable now.
	mb_decode_numericentity	encoding is nullable now.
	mb_detect_order	encoding is nullable now.
	mb_encode_mimeheader	charset and transfer_encoding are nullable now.
	mb_encode_numericentity	encoding is nullable now.
	mb_encoding_aliases	If the encoding is unknown, a ValueError is now thrown; previously an E_WARNING was emitted, and the function returned false.
	mb_ereg	This function returns true on success now. Previously, it returned the byte length of the matched string if a match for pattern was found in string and matches was passed. If the optional parameter matches was not passed or the length of the matched string was 0, this function returned 1.
	mb_ereg_match	options is nullable now.
	mb_ereg_replace	options is nullable now.
	mb_ereg_replace_callback	options is nullable now.
	mb_ereg_search	pattern and options are nullable now.
	mb_ereg_search_init	pattern and options are nullable now.
	mb_ereg_search_pos	pattern and options are nullable now.
	mb_ereg_search_regs	pattern and options are nullable now.
	mb_eregi	This function returns true on success now. Previously, it returned the byte length of the matched string if a match for pattern was found in string and matches was passed. If the optional parameter matches was not passed or the length of the matched string was 0, this function returned 1.
	mb_eregi_replace	options is nullable now.
	mb_get_info	The types "func_overload" and "func_overload_list" are no longer supported.
	mb_http_input	type is nullable now.
	mb_http_output	encoding is nullable now.
	mb_internal_encoding	encoding is nullable now.
	mb_internal_encoding	Now throws a ValueError if encoding is an invalid encoding. Previously a E_WARNING was emitted instead.
	mb_language	language is nullable now.
	mb_ord	encoding is nullable now.
	mb_parse_str	The second parameter was no longer optional.
	mb_regex_encoding	encoding is nullable now.
	mb_regex_set_options	If the parameter options is given and not null, the previous options are returned. Formerly, the current options have been returned.
	mb_regex_set_options	options is nullable now.
	mb_regex_set_options	The "e" option now throws a ValueError.
	mb_scrub	encoding is nullable now.
	mb_send_mail	additional_params is nullable now.
	mb_str_split	encoding is nullable now.
	mb_str_split	This function no longer returns false on failure.
	mb_strcut	encoding is nullable now.
	mb_strimwidth	encoding is nullable now.
	mb_stripos	needle now accepts an empty string.
	mb_stripos	encoding is nullable now.
	mb_stristr	needle now accepts an empty string.
	mb_stristr	encoding is nullable now.
	mb_strlen	encoding is nullable now.
	mb_strpos	needle now accepts an empty string.
	mb_strpos	encoding is nullable now.
	mb_strrchr	needle now accepts an empty string.
	mb_strrchr	encoding is nullable now.
	mb_strrichr	needle now accepts an empty string.
	mb_strrichr	encoding is nullable now.
	mb_strripos	needle now accepts an empty string.
	mb_strripos	encoding is nullable now.
	mb_strrpos	needle now accepts an empty string.
	mb_strrpos	Passing the encoding as the third argument instead of an offset has been removed.
	mb_strrpos	encoding is nullable now.
	mb_strstr	needle now accepts an empty string.
	mb_strstr	encoding is nullable now.
	mb_strwidth	encoding is nullable now.
	mb_substitute_character	Passing an empty string to substitute_character is no longer supported; "none" should be passed instead.
	mb_substitute_character	encoding is nullable now.
	mb_substr	encoding is nullable now.
	mb_substr_count	encoding is nullable now.
	metaphone	The function returned false on failure.
	mhash	key is now nullable.
	min	min throws a ValueError on failure now; previously, false was returned and an E_WARNING error was emitted.
	min	As string to number comparisons were changed, min no longer returns a different value based on the argument order in those cases.
	mktime	hour is no longer optional. If you need a Unix timestamp, use time.
	mktime	minute, second, month, day and year are nullable now.
	msg_get_queue	On success, this function returns a SysvMessageQueue instance now; previously, a resource was returned.
	msg_receive	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_remove_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_send	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_set_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_stat_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	number_format	Prior to this version, number_format accepted one, two, or four parameters (but not three).
	ob_implicit_flush	The enable expects a bool value now; previously, an int was expected.
	odbc_columns	schema, table and column are now nullable.
	odbc_error	odbc is nullable now.
	odbc_errormsg	odbc is nullable now.
	odbc_exec	flags was removed.
	odbc_fetch_row	row is nullable now.
	odbc_procedurecolumns	Prior to this version, the function could only be called with either one or five arguments.
	odbc_procedures	Prior to this version, the function could only be called with either one or four arguments.
	odbc_tables	schema, table and types are now nullable.
	opendir	context is now nullable.
	openssl_csr_export	csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_csr_export_to_file	csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_csr_get_public_key	On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned.
	openssl_csr_get_public_key	csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_csr_get_subject	csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_csr_new	On success, this function returns an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was returned.
	openssl_csr_new	private_key accepts an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was accepted.
	openssl_csr_sign	On success, this function returns an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was returned.
	openssl_csr_sign	csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_csr_sign	ca_certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_csr_sign	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_dh_compute_key	private_key accepts an OpenSSLAsymmetricKey now; previously, a resource of type OpenSSL key was accepted.
	openssl_free_key	This function is now deprecated as it doesn't have an effect anymore.
	openssl_free_key	key accepts an OpenSSLAsymmetricKey now; previously, a resource of type OpenSSL key was accepted.
	openssl_open	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 CSR was accepted.
	openssl_open	cipher_algo is no longer an optional parameter.
	openssl_pkcs7_decrypt	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 CSR was accepted.
	openssl_pkcs7_encrypt	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_pkcs7_sign	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_pkcs7_sign	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 CSR was accepted.
	openssl_pkcs7_verify	signers_certificates_filename, untrusted_certificates_filename, content and output_filename are nullable now.
	openssl_pkcs12_export	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_pkcs12_export	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkcs12_export_to_file	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.
	openssl_pkcs12_export_to_file	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkey_export	key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkey_export_to_file	key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkey_free	This function is now deprecated as it doesn't have an effect anymore.
	openssl_pkey_free	key accepts an OpenSSLAsymmetricKey now; previously, a resource of type OpenSSL key was accepted.
	openssl_pkey_get_details	key accepts an OpenSSLAsymmetricKey now; previously, a resource of type OpenSSL key was accepted.
	openssl_pkey_get_private	On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned.
	openssl_pkey_get_private	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkey_get_private	passphrase is nullable now.
	openssl_pkey_get_public	On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned.
	openssl_pkey_get_public	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_pkey_new	On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned.
	openssl_private_decrypt	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_private_encrypt	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_public_decrypt	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_public_encrypt	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_random_pseudo_bytes	strong_result is nullable now.
	openssl_seal	public_key accepts an array of OpenSSLAsymmetricKey instances now; previously, an array of resources of type OpenSSL key was accepted.
	openssl_seal	cipher_algo is no longer an optional parameter.
	openssl_seal	iv is nullable now.
	openssl_sign	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_spki_new	private_key accepts an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was accepted.
	openssl_verify	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_x509_check_private_key	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_check_private_key	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_x509_checkpurpose	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_checkpurpose	untrusted_certificates_file is nullable now.
	openssl_x509_export	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_export_to_file	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_fingerprint	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_free	This function is now deprecated as it doesn't have an effect anymore.
	openssl_x509_free	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_parse	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_read	On success, this function returns an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was returned.
	openssl_x509_read	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_verify	certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
	openssl_x509_verify	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.
	pack	This function no longer returns false on failure.
	parse_str	result is no longer optional.
	parse_url	parse_url will now distinguish absent and empty queries and fragments.
	passthru	If command is empty or contains null bytes, passthru now throws a ValueError. Previously it emitted an E_WARNING and returned false.
	password_hash	password_hash no longer returns false on failure, instead a ValueError will be thrown if the password hashing algorithm is not valid, or an Error if the password hashing failed for an unknown error.
	password_hash	The algo parameter is nullable now.
	pcntl_async_signals	enable is nullable now.
	pcntl_getpriority	process_id is nullable now.
	pcntl_setpriority	process_id is nullable now.
	pfsockopen	timeout is nullable now.
	pg_client_encoding	connection is now nullable.
	pg_close	connection is now nullable.
	pg_dbname	connection is now nullable.
	pg_end_copy	connection is now nullable.
	pg_fetch_all	pg_fetch_all will now return an empty array instead of false for result sets with zero rows.
	pg_host	connection is now nullable.
	pg_last_error	connection is now nullable.
	pg_lo_write	length is now nullable.
	pg_options	connection is now nullable.
	pg_ping	connection is now nullable.
	pg_port	connection is now nullable.
	pg_trace	connection is now nullable.
	pg_tty	connection is now nullable.
	pg_untrace	connection is now nullable.
	pg_version	connection is now nullable.
	phpversion	extension is nullable now.
	printf	This function no longer returns false on failure.
	printf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	printf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	printf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	printf	Throw a ArgumentCountError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	readdir	dir_handle is now nullable.
	readline_info	var_name and value are nullable now.
	readline_read_history	filename is nullable now.
	readline_write_history	filename is nullable now.
	rewinddir	dir_handle is now nullable.
	round	num no longer accepts internal objects which support numeric conversion.
	sapi_windows_vt100_support	enable is now nullable.
	scandir	context is now nullable.
	sem_acquire	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	sem_get	On success, this function returns a SysvSemaphore instance now; previously, a resource was returned.
	sem_get	The type of auto_release has been changed from int to bool.
	sem_release	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	sem_remove	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	session_cache_expire	value is nullable now.
	session_cache_limiter	value is nullable now.
	session_id	id is nullable now.
	session_module_name	module is nullable now.
	session_name	name is nullable now.
	session_save_path	path is nullable now.
	session_set_cookie_params	path, domain, secure and httponly are nullable now.
	set_error_handler	errcontext was removed, and will no longer be passed to user callbacks.
	shm_attach	On success, this function returns an SysvSharedMemory instance now; previously, a resource was returned.
	shm_attach	size is nullable now.
	shm_detach	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_get_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_has_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_put_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_remove	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_remove_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shmop_close	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_delete	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_open	On success, this function returns an Shmop instance now; previously, a resource was returned.
	shmop_open	If mode is invalid, or size is less than or equal to zero, a ValueError is thrown; previously E_WARNING was emitted instead, and the function returned false.
	shmop_read	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_read	If offset or size are out of range, a ValueError is thrown; previously E_WARNING was emitted, and false was returned,
	shmop_size	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_write	Prior to PHP 8.0.0, false was returned on failure.
	shmop_write	shmop expects a Shmop instance now; previously, a resource was expected.
	sleep	The function throws a ValueError on negative seconds; previously, an E_WARNING was raised instead, and the function returned false.
	socket_accept	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_addrinfo_bind	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_addrinfo_bind	address is an AddressInfo instance now; previously, it was a resource.
	socket_addrinfo_connect	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_addrinfo_connect	address is an AddressInfo instance now; previously, it was a resource.
	socket_addrinfo_explain	address is an AddressInfo instance now; previously, it was a resource.
	socket_addrinfo_lookup	On success, this function returns a array of AddressInfo instances now; previously, an array of resources was returned.
	socket_addrinfo_lookup	service is nullable now.
	socket_bind	socket is a Socket instance now; previously, it was a resource.
	socket_clear_error	socket is a Socket instance now; previously, it was a resource.
	socket_clear_error	socket is nullable now.
	socket_close	socket is a Socket instance now; previously, it was a resource.
	socket_connect	socket is a Socket instance now; previously, it was a resource.
	socket_connect	port is nullable now.
	socket_create	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_create_listen	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_create_pair	pair is a reference to an array of Socket instances now; previously, it was a reference to an array of resources.
	socket_export_stream	socket is a Socket instance now; previously, it was a resource.
	socket_get_option	socket is a Socket instance now; previously, it was a resource.
	socket_getpeername	socket is a Socket instance now; previously, it was a resource.
	socket_getsockname	socket is a Socket instance now; previously, it was a resource.
	socket_import_stream	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_last_error	socket is a Socket instance now; previously, it was a resource.
	socket_last_error	socket is nullable now.
	socket_listen	socket is a Socket instance now; previously, it was a resource.
	socket_read	socket is a Socket instance now; previously, it was a resource.
	socket_recv	socket is a Socket instance now; previously, it was a resource.
	socket_recvfrom	socket is a Socket instance now; previously, it was a resource.
	socket_recvmsg	socket is a Socket instance now; previously, it was a resource.
	socket_send	socket is a Socket instance now; previously, it was a resource.
	socket_sendmsg	socket is a Socket instance now; previously, it was a resource.
	socket_sendto	socket is a Socket instance now; previously, it was a resource.
	socket_sendto	port is nullable now.
	socket_set_block	socket is a Socket instance now; previously, it was a resource.
	socket_set_nonblock	socket is a Socket instance now; previously, it was a resource.
	socket_set_option	socket is a Socket instance now; previously, it was a resource.
	socket_shutdown	socket is a Socket instance now; previously, it was a resource.
	socket_write	socket is a Socket instance now; previously, it was a resource.
	socket_write	length is nullable now.
	socket_wsaprotocol_info_export	socket is a Socket instance now; previously, it was a resource.
	socket_wsaprotocol_info_import	On success, this function returns a Socket instance now; previously, a resource was returned.
	soundex	Prior to this version, calling the function with an empty string returned false for no particular reason.
	spl_autoload	file_extensions is now nullable.
	spl_autoload_extensions	file_extensions is now nullable.
	spl_autoload_functions	Return value was updated to always be an array; previously this function returned false if the autoload queue wasn't activated.
	spl_autoload_register	callback is now nullable.
	sprintf	This function no longer returns false on failure.
	sprintf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	sprintf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	sprintf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	sprintf	Throw a ArgumentCountError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	str_split	If length is less than 1, a ValueError will be thrown now; previously, an error of level E_WARNING has been raised instead, and the function returned false.
	str_word_count	characters is nullable now.
	strcspn	length is nullable now.
	stream_context_create	options and params are now nullable.
	stream_context_get_default	options is now nullable.
	stream_copy_to_stream	length is now nullable.
	stream_get_contents	length is now nullable.
	stream_set_chunk_size	A ValueError is now thrown if size is less than 1 or greater than PHP_INT_MAX. Previously, an E_WARNING level error was emitted and false was returned.
	stream_socket_accept	timeout is now nullable.
	stream_socket_client	timeout and context are now nullable.
	stream_socket_enable_crypto	session_stream is now nullable.
	stream_socket_server	context is nullable now.
	strftime	timestamp is nullable now.
	strip_tags	allowed_tags is nullable now.
	stripos	needle now accepts an empty string.
	stripos	Passing an int as needle is no longer supported.
	stristr	needle now accepts an empty string.
	stristr	Passing an int as needle is no longer supported.
	strpos	needle now accepts an empty string.
	strpos	Passing an int as needle is no longer supported.
	strrchr	needle now accepts an empty string.
	strrchr	Passing an int as needle is no longer supported.
	strripos	needle now accepts an empty string.
	strripos	Passing an int as needle is no longer supported.
	strrpos	needle now accepts an empty string.
	strrpos	Passing an int as needle is no longer supported.
	strspn	length is nullable now.
	strstr	needle now accepts an empty string.
	strstr	Passing an int as needle is no longer supported.
	strtotime	baseTimestamp is nullable now.
	substr	length is nullable now. When length is explicitly set to null, the function returns a substring finishing at the end of the string, when it previously returned an empty string.
	substr	The function returns an empty string where it previously returned false.
	substr_compare	length is nullable now.
	substr_count	length is nullable now.
	substr_replace	length is nullable now.
	touch	mtime and atime are now nullable.
	trigger_error	The function now throws a ValueError if an invalid error_level is specified. Previously, it returned false.
	uasort	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	uksort	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	umask	mask is nullable now.
	unixtojd	timestamp is nullable now.
	usort	If callback expects a parameter to be passed by reference, this function will now emit an E_WARNING.
	vfprintf	This function no longer returns false on failure.
	vfprintf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	vfprintf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vfprintf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vfprintf	Throw a ValueError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	vprintf	This function no longer returns false on failure.
	vprintf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	vprintf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vprintf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vprintf	Throw a ValueError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	vsprintf	This function no longer returns false on failure.
	vsprintf	Throw a ValueError if the number of arguments is zero; previously this function emitted a E_WARNING instead.
	vsprintf	Throw a ValueError if [width] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vsprintf	Throw a ValueError if [precision] is less than zero or bigger than PHP_INT_MAX; previously this function emitted a E_WARNING instead.
	vsprintf	Throw a ValueError when less arguments are given than required; previously this function emitted a E_WARNING instead.
	wordwrap	If break is empty string, a ValueError is thrown; previously in this case it emitted an E_WARNING and returned false.
	xml_get_current_byte_index	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_get_current_column_number	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_get_current_line_number	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_get_error_code	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parse	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parse_into_struct	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parser_create	This function returns an XMLParser instance now; previously, a resource was returned, or false on failure.
	xml_parser_create	encoding is nullable now.
	xml_parser_create_ns	This function returns an XMLParser instance now; previously, a resource was returned, or false on failure.
	xml_parser_create_ns	encoding is nullable now.
	xml_parser_free	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parser_get_option	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parser_get_option	A ValueError is now thrown if option is invalid.
	xml_parser_set_option	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_parser_set_option	A ValueError is now thrown if option is invalid.
	xml_set_character_data_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_default_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_element_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_end_namespace_decl_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_external_entity_ref_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_notation_decl_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_object	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_processing_instruction_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_start_namespace_decl_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	xml_set_unparsed_entity_decl_handler	parser expects an XMLParser instance now; previously, a valid xml resource was expected.
	zip_close	This function is deprecated in favor of the Object API, see ZipArchive::close.
	zip_entry_close	This function is deprecated in favor of the Object API.
	zip_entry_compressedsize	This function is deprecated in favor of the Object API, see ZipArchive::statIndex.
	zip_entry_compressionmethod	This function is deprecated in favor of the Object API, see ZipArchive::statIndex.
	zip_entry_filesize	This function is deprecated in favor of the Object API, see ZipArchive::statIndex.
	zip_entry_name	This function is deprecated in favor of the Object API, see ZipArchive::statIndex.
	zip_entry_open	This function is deprecated in favor of the Object API.
	zip_entry_read	This function is deprecated in favor of the Object API, see ZipArchive::getFromIndex.
	zip_open	This function is deprecated in favor of the Object API, see ZipArchive::open.
	zip_read	This function is deprecated in favor of the Object API, see ZipArchive::statIndex.
	GlobIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	IntlCalendar::setMinimalDaysInFirstWeek	A ValueError is now thrown on invalid input. Previously, false was returned.
	IntlTimeZone::getIDForWindowsID	region is now nullable.
	LimitIterator::__construct	Now throws a ValueError if offset is less than 0; previously it threw a RuntimeException.
	LimitIterator::__construct	Now throws a ValueError if limit is less than -1; previously it threw a RuntimeException.
	Locale::getDisplayLanguage	displayLocale is nullable now.
	Locale::getDisplayName	displayLocale is nullable now.
	Locale::getDisplayRegion	displayLocale is nullable now.
	Locale::getDisplayScript	displayLocale is nullable now.
	Locale::getDisplayVariant	displayLocale is nullable now.
	mysqli_result::fetch_object	constructor_args now accepts [] for constructors with 0 parameters; previously an exception was thrown.
	mysqli_result::field_seek	This function now always returns true. Previously it returned false on failure.
	mysqli_stmt::close	This function now always returns true. Previously it returned false on failure.
	mysqli_stmt::__construct	query is now nullable.
	mysqli::begin_transaction	name is now nullable.
	mysqli::close	This function now always returns true. Previously it returned false on failure.
	mysqli::commit	name is now nullable.
	mysqli::debug	This function now always returns true. Previously it returned false on failure.
	mysqli::rollback	name is now nullable.
	NumberFormatter::create	pattern is nullable now.
	PDOStatement::fetchAll	This method always returns an array now, while previously false may have been returned on failure.
	Phar::addFile	localName is now nullable.
	Phar::buildFromIterator	baseDirectory is now nullable.
	Phar::compress	extension is now nullable.
	Phar::convertToData	format, compression, and extension are now nullable.
	Phar::convertToExecutable	format, compression, and extension are now nullable.
	Phar::createDefaultStub	index and webIndex are now nullable.
	Phar::decompress	extension is now nullable.
	Phar::getMetadata	The parameter unserializeOptions has been added.
	Phar::setDefaultStub	webIndex is nullable now.
	Phar::setSignatureAlgorithm	privateKey is now nullable.
	Phar::webPhar	fileNotFoundScript and rewrite are nullable now.
	PharData::addFile	localName is now nullable.
	PharData::buildFromIterator	baseDirectory is now nullable.
	PharData::compress	extension is now nullable.
	PharData::convertToData	format, compression, and extension are now nullable.
	PharData::convertToExecutable	format, compression, and localName are now nullable.
	PharData::decompress	extension is now nullable.
	PharData::setDefaultStub	webIndex is nullable now.
	PharData::setSignatureAlgorithm	privateKey is now nullable.
	PharFileInfo::getMetadata	The parameter unserializeOptions has been added.
	PharFileInfo::isCompressed	compression is now nullable.
	RecursiveDirectoryIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	RecursiveIteratorIterator::getSubIterator	level is now nullable.
	ReflectionClass::getConstants	filter has been added.
	ReflectionClass::getReflectionConstants	filter has been added.
	ReflectionFunction::invokeArgs	args keys will now be interpreted as parameter names, instead of being silently ignored.
	ReflectionMethod::getClosure	object is now nullable.
	ReflectionMethod::invokeArgs	args keys will now be interpreted as parameter names, instead of being silently ignored.
	ReflectionParameter::getDefaultValue	This method now allows getting the default value of parameters of built-in functions and built-in class methods. Previously, a ReflectionException was thrown.
	ReflectionParameter::getDefaultValueConstantName	This method now allows getting the default values' constant names of built-in functions and built-in class methods. Previously, a ReflectionException was thrown.
	ReflectionProperty::getValue	object is nullable now.
	ReflectionProperty::isInitialized	object is nullable now.
	ReflectionType::__toString	ReflectionType::__toString has been undeprecated.
	SimpleXMLElement::asXML	filename is nullable now.
	SoapClient::__doRequest	The type of oneWay is bool now; formerly it was int.
	SoapClient::__setCookie	value is now nullable.
	SoapServer::handle	request is now nullable.
	SplFileInfo::getFileInfo	class is now nullable.
	SplFileInfo::getPathInfo	class is now nullable.
	SplFileInfo::openFile	context is now nullable.
	SplFixedArray::__construct	Now throws a ValueError if size is a negative; previously it threw a InvalidArgumentException.
	tidy::__construct	filename, config, encoding and useIncludePath are nullable now.
	tidy::parseFile	config and encoding are nullable now.
	tidy::parseString	config and encoding are nullable now.
	tidy::repairFile	tidy::repairFile is a static method now.
	tidy::repairFile	config and encoding are nullable now.
	tidy::repairString	tidy::repairString is a static method now.
	tidy::repairString	config and encoding are nullable now.
	tidy::repairString	This function no longer accepts the useIncludePath parameter.
	XMLReader::getAttribute	This function can no longer return false.
	XMLReader::getAttributeNs	This function can no longer return false.
	XMLReader::lookupNamespace	This function can no longer return false.
	XMLReader::next	name is nullable now.
	XMLReader::open	XMLReader::open is now declared as static method, but can still be called on an XMLReader instance.
	XMLReader::XML	XMLReader::XML is now declared as static method, but can still be called on an XMLReader instance.
	XMLWriter::endAttribute	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endCdata	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endComment	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endDocument	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endDtd	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endDtdAttlist	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endDtdElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endDtdEntity	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::endPi	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::flush	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::flush	This function can no longer return false.
	XMLWriter::fullEndElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::openMemory	This function returns now an XMLWriter instance on success. Previouly, a resource has been returned in this case.
	XMLWriter::openUri	This function returns now an XMLWriter instance on success. Previouly, a resource has been returned in this case.
	XMLWriter::outputMemory	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::setIndent	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::setIndentString	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startAttribute	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startAttributeNs	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startAttributeNs	prefix is nullable now.
	XMLWriter::startCdata	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startComment	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startDocument	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startDtd	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startDtdAttlist	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startDtdElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startDtdEntity	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startElementNs	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::startPi	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::text	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeAttribute	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeAttributeNs	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeCdata	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeComment	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeDtd	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeDtdAttlist	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeDtdElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeDtdEntity	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeDtdEntity	publicId, systemId and notationData are nullable now.
	XMLWriter::writeElement	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeElementNs	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writePi	writer expects an XMLWriter instance now; previously, a resource was expected.
	XMLWriter::writeRaw	writer expects an XMLWriter instance now; previously, a resource was expected.
	ZipArchive::addEmptyDir	flags was added.
	ZipArchive::addFile	flags was added.
	ZipArchive::addFromString	flags was added.
	ZipArchive::addGlob	"flags" in options was added.
	ZipArchive::addGlob	"comp_method", "comp_flags", "enc_method" and "enc_password" in options were added.
	ZipArchive::getStatusString	This method can be called on closed archive.
	ZipArchive::getStatusString	This method no longer returns false on failure.
	ZipArchive::setEncryptionIndex	password is now nullable.
	ZipArchive::setEncryptionName	password is now nullable.
7.4.12	jdtounix	The upper limit of julian_day has been extended. Previously, it was 2465342 regardless of the architecture.
	tidyNode::isHtml	This function has been fixed to have reasonable behavior. Previously, almost any node was reported as being an HTML node.
7.4.4	proc_open	Added the create_new_console option to the options parameter.
7.4.3	curl_setopt	Introduced CURLOPT_HTTP09_ALLOWED.
7.4.2	dba_open	The lmdb driver now supports an additional map_size parameter.
	dba_popen	The lmdb driver now supports an additional map_size parameter.
7.4.0	DatePeriod::__construct	recurrences must be greater than 0 now.
	array_merge	This function can now be called without any parameter. Formerly, at least one parameter has been required.
	array_merge_recursive	This function can now be called without any parameter. Formerly, at least one parameter has been required.
	base_convert	Passing invalid characters will now generate a deprecation notice. The result will still be computed as if the invalid characters did not exist.
	bindec	Passing invalid characters will now generate a deprecation notice. The result will still be computed as if the invalid characters did not exist.
	chr	The function no longer silently accepts unsupported codepoints, and casts these to 0.
	curl_version	The optional age parameter has been deprecated; if a value is passed, it is ignored.
	current	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	end	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	fgetcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	fputcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	get_declared_classes	Previously get_declared_classes always returned parent classes before child classes. This is no longer the case. No particular order is guaranteed for the get_declared_classes return value.
	get_magic_quotes_gpc	This function has been deprecated.
	get_magic_quotes_runtime	This function has been deprecated.
	gzread	This functions returns false on failure now; previously 0 was returned.
	gzwrite	This functions returns false on failure now; previously 0 was returned.
	hash_algos	Support for crc32c has been added.
	hexdec	Passing invalid characters will now generate a deprecation notice. The result will still be computed as if the invalid characters did not exist.
	idn_to_ascii	The default value of variant is now INTL_IDNA_VARIANT_UTS46 instead of the deprecated INTL_IDNA_VARIANT_2003.
	idn_to_utf8	The default value of variant is now INTL_IDNA_VARIANT_UTS46 instead of the deprecated INTL_IDNA_VARIANT_2003.
	imagecropauto	The behavior of imagecropauto() in the bundled libgd has been synced with that of system libgd: IMG_CROP_DEFAULT no longer falls back to IMG_CROP_SIDES and threshold-cropping now uses the same algorithm as system libgd.
	imagecropauto	The default value of mode has been changed to IMG_CROP_AUTO. Formerly, the default value has been -1 which corresponds to IMG_CROP_DEFAULT, but passing -1 is now deprecated.
	imagefilter	Scatter support (IMG_FILTER_SCATTER) was added.
	implode	Passing the separator after the array (i.e. using the legacy signature) has been deprecated.
	key	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	ldap_control_paged_result	This function has been deprecated.
	ldap_control_paged_result_response	This function has been deprecated.
	money_format	This function has been deprecated. Instead, use NumberFormatter::formatCurrency.
	next	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	octdec	Passing invalid characters will now generate a deprecation notice. The result will still be computed as if the invalid characters did not exist.
	openssl_random_pseudo_bytes	The function no longer returns false on failure, but throws an Exception instead.
	password_hash	The algo parameter expects a string now, but still accepts ints for backward compatibility.
	password_hash	The sodium extension provides an alternative implementation for Argon2 passwords.
	password_needs_rehash	The algo parameter expects a string now, but still accepts ints for backward compatibility.
	preg_replace_callback	The flags parameter was added.
	preg_replace_callback_array	The flags parameter was added.
	prev	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	proc_open	proc_open now also accepts an array for the command.
	proc_open	Added the create_process_group option to the options parameter.
	reset	Instances of SPL classes are now treated like empty objects that have no properties instead of calling the Iterator method with the same name as this function.
	stat	On Windows, the device number is now the serial number of the volume that contains the file, and the inode number is the identifier associated with the file.
	stat	The size, atime, mtime and ctime statistics of symlinks are always those of the target. This was previously not the case for NTS builds on Windows.
	str_getcsv	The escape parameter now interprets an empty string as signal to disable the proprietary escape mechanism. Formerly, an empty string was treated like the default parameter value.
	strip_tags	The allowed_tags now alternatively accepts an array.
	unserialize	Added the max_depth element of options to set the maximum depth of structures permitted during unserialization.
	Locale::lookup	defaultLocale is nullable now.
	mysqli::__construct	All parameters are now nullable.
	mysqli::real_connect	All parameters are now nullable.
	SplFileObject::fgetcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SplFileObject::fputcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SplFileObject::fwrite	The function now returns false instead of zero on failure.
	SplFileObject::getCsvControl	The escape character can now be an empty string.
	SplFileObject::setCsvControl	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SQLite3Stmt::bindParam	param now also supports the @param notation.
	SQLite3Stmt::bindValue	param now also supports the @param notation.
7.3.24	jdtounix	The upper limit of julian_day has been extended. Previously, it was 2465342 regardless of the architecture.
	tidyNode::isHtml	This function has been fixed to have reasonable behavior. Previously, almost any node was reported as being an HTML node.
7.3.15	curl_setopt	Introduced CURLOPT_HTTP09_ALLOWED.
7.3.14	dba_open	The lmdb driver now supports an additional map_size parameter.
	dba_popen	The lmdb driver now supports an additional map_size parameter.
7.3.6	DatePeriod::__construct	recurrences must be greater than 0 now.
	SplFileObject::__toString	Changed from an alias of SplFileObject::current to an alias of SplFileObject::fgets.
7.3.5	substr_compare	offset may now be equal to the length of haystack.
7.3.0	DateTimeImmutable::createFromFormat	The v format specifier has been added.
	apache_request_headers	This function became available in the FPM SAPI.
	array_push	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	array_unshift	This function can now be called with only one parameter. Formerly, at least two parameters have been required.
	assert	Declaring a function called assert() inside a namespace became deprecated. Such declaration now emits an E_DEPRECATED.
	bcmul	bcmul now returns numbers with the requested scale. Formerly, the returned numbers may have omitted trailing decimal zeroes.
	bcpow	bcpow now returns numbers with the requested scale. Formerly, the returned numbers may have omitted trailing decimal zeroes.
	bcscale	bcscale can now be used to get the current scale factor; when used as setter, it now returns the old scale value. Formerly, scale was mandatory, and bcscale always returned true.
	compact	compact now issues an E_NOTICE level error if a given string refers to an unset variable. Formerly, such strings have been silently skipped.
	curl_getinfo	Introduced CURLINFO_CONTENT_LENGTH_DOWNLOAD_T, CURLINFO_CONTENT_LENGTH_UPLOAD_T, CURLINFO_HTTP_VERSION, CURLINFO_PROTOCOL, CURLINFO_PROXY_SSL_VERIFYRESULT, CURLINFO_SCHEME, CURLINFO_SIZE_DOWNLOAD_T, CURLINFO_SIZE_UPLOAD_T, CURLINFO_SPEED_DOWNLOAD_T, CURLINFO_SPEED_UPLOAD_T, CURLINFO_APPCONNECT_TIME_T, CURLINFO_CONNECT_TIME_T, CURLINFO_FILETIME_T, CURLINFO_NAMELOOKUP_TIME_T, CURLINFO_PRETRANSFER_TIME_T, CURLINFO_REDIRECT_TIME_T, CURLINFO_STARTTRANSFER_TIME_T, CURLINFO_TOTAL_TIME_T.
	curl_setopt	Introduced CURLOPT_ABSTRACT_UNIX_SOCKET, CURLOPT_KEEP_SENDING_ON_ERROR, CURLOPT_PRE_PROXY, CURLOPT_PROXY_CAINFO, CURLOPT_PROXY_CAPATH, CURLOPT_PROXY_CRLFILE, CURLOPT_PROXY_KEYPASSWD, CURLOPT_PROXY_PINNEDPUBLICKEY, CURLOPT_PROXY_SSLCERT, CURLOPT_PROXY_SSLCERTTYPE, CURLOPT_PROXY_SSL_CIPHER_LIST, CURLOPT_PROXY_SSLKEY, CURLOPT_PROXY_SSLKEYTYPE, CURLOPT_PROXY_SSL_OPTIONS, CURLOPT_PROXY_SSL_VERIFYHOST, CURLOPT_PROXY_SSL_VERIFYPEER, CURLOPT_PROXY_SSLVERSION, CURLOPT_PROXY_TLSAUTH_PASSWORD, CURLOPT_PROXY_TLSAUTH_TYPE, CURLOPT_PROXY_TLSAUTH_USERNAME, CURLOPT_SOCKS5_AUTH, CURLOPT_SUPPRESS_CONNECT_HEADERS, CURLOPT_DISALLOW_USERNAME_IN_URL, CURLOPT_DNS_SHUFFLE_ADDRESSES, CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS, CURLOPT_HAPROXYPROTOCOL, CURLOPT_PROXY_TLS13_CIPHERS, CURLOPT_SSH_COMPRESSION, CURLOPT_TIMEVALUE_LARGE and CURLOPT_TLS13_CIPHERS.
	define	case_insensitive has been deprecated and will be removed in version 8.0.0.
	ftp_fget	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_fput	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_get	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_nb_fget	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_nb_fput	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_nb_get	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_nb_put	The mode parameter is now optional. Formerly it has been mandatory.
	ftp_put	The mode parameter is now optional. Formerly it has been mandatory.
	getallheaders	This function became available in the FPM SAPI.
	imagecreatefromstring	WEBP is supported now (if supported by the libgd in use).
	is_countable	is_countable has been added.
	json_decode	JSON_THROW_ON_ERROR flags was added.
	json_encode	JSON_THROW_ON_ERROR flags was added.
	ldap_add	Support for controls added
	ldap_compare	Support for controls added
	ldap_delete	Support for controls added
	ldap_exop	Support for controls added
	ldap_exop_passwd	Support for controls added
	ldap_list	Support for controls added
	ldap_mod_add	Support for controls added
	ldap_mod_del	Support for controls added
	ldap_mod_replace	Support for controls added
	ldap_modify_batch	Support for controls added
	ldap_mod_add_ext	Support for controls added
	ldap_mod_del_ext	Support for controls added
	ldap_mod_replace_ext	Support for controls added
	ldap_parse_result	Support for controls added
	ldap_read	Support for controls added
	ldap_rename	Support for controls added
	ldap_rename_ext	Support for controls added
	ldap_search	Support for controls added
	list	Support for reference assignments in array destructuring was added.
	mb_convert_case	Added support for MB_CASE_FOLD, MB_CASE_UPPER_SIMPLE, MB_CASE_LOWER_SIMPLE, MB_CASE_TITLE_SIMPLE, and MB_CASE_FOLD_SIMPLE as mode.
	password_hash	Support for Argon2id passwords using PASSWORD_ARGON2ID was added.
	preg_quote	The # character is now quoted
	session_get_cookie_params	The "samesite" entry was added in the returned array.
	session_set_cookie_params	An alternative signature supporting an lifetime_or_options array has been added. This signature supports also setting of the SameSite cookie attribute.
	setcookie	An alternative signature supporting an options array has been added. This signature supports also setting of the SameSite cookie attribute.
	setrawcookie	An alternative signature supporting an options array has been added. This signature supports also setting of the SameSite cookie attribute.
	stripos	Passing an int as needle has been deprecated.
	stristr	Passing an int as needle has been deprecated.
	strpos	Passing an int as needle has been deprecated.
	strrchr	Passing an int as needle has been deprecated.
	strripos	Passing an int as needle has been deprecated.
	strrpos	Passing an int as needle has been deprecated.
	strstr	Passing an int as needle has been deprecated.
	unlink	On Windows, it is now possible to unlink files with handles in use, while formerly that would fail. However, it is still not possible to re-create the unlinked file, until all handles to it have been closed.
	var_export	Now exports stdClass objects as an array cast to an object ((object) array( ... )), rather than using the nonexistent method stdClass::__setState. The practical effect is that now stdClass is exportable, and the resulting code will even work on earlier versions of PHP.
	xml_parser_get_option	options now supports XML_OPTION_SKIP_TAGSTART and XML_OPTION_SKIP_WHITE.
	xml_set_external_entity_ref_handler	The return value of the handler is no longer ignored if the extension has been built against libxml. Formerly, the return value has been ignored, and parsing did never stop.
7.2.19	DatePeriod::__construct	recurrences must be greater than 0 now.
	SplFileObject::__toString	Changed from an alias of SplFileObject::current to an alias of SplFileObject::fgets.
7.2.18	substr_compare	offset may now be equal to the length of haystack.
7.2.12	DateInterval::format	The F and f format will now always be positive.
	xml_parser_get_option	options now supports XML_OPTION_SKIP_TAGSTART and XML_OPTION_SKIP_WHITE.
7.2.0	array_unique	If flags is SORT_STRING, formerly array has been copied and non-unique elements have been removed (without packing the array afterwards), but now a new array is built by adding the unique elements. This can result in different numeric indexes.
	assert	Usage of a string as the assertion became deprecated. It now emits an E_DEPRECATED notice when both assert.active and zend.assertions are set to 1.
	bcmod	num1 and num2 are no longer truncated to integer, so now the behavior of bcmod follows fmod rather than the % operator.
	bcmod	The scale parameter was added.
	count	count will now yield a warning on invalid countable types passed to the value parameter.
	date_parse	The zone element of the returned array represents seconds instead of minutes now, and its sign is inverted. For instance -120 is now 7200.
	date_parse_from_format	The zone element of the returned array represents seconds instead of minutes now, and its sign is inverted. For instance -120 is now 7200.
	date_sun_info	The calculation was fixed with regards to local midnight instead of local noon, which changes the results slightly.
	exif_read_data	The file parameter now supports both local files and stream resources.
	exif_read_data	Support for the following EXIF formats were added: Samsung DJI Panasonic Sony Pentax Minolta Sigma/Foveon AGFA Kyocera Ricoh Epson
	exif_thumbnail	The file parameter now supports both local files and stream resources.
	get_class	Prior to this version the default value for object was null and it had the same effect as not passing any value. Now null has been removed as the default value for object, and is no longer a valid input.
	gettype	Closed resources are now reported as 'resource (closed)'. Previously the returned value for closed resources were 'unknown type'.
	hash_copy	Accept and return HashContext instead of resource.
	hash_final	Accept HashContext instead of resource.
	hash_hmac	Usage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
	hash_hmac_file	Usage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
	hash_init	Usage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) with HASH_HMAC was disabled.
	hash_init	Return HashContext instead of resource.
	hash_pbkdf2	Usage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
	hash_update	Accept HashContext instead of resource.
	hash_update_file	Accept HashContext instead of resource.
	hash_update_stream	Accept HashContext instead of resource.
	idn_to_ascii	INTL_IDNA_VARIANT_2003 has been deprecated; use INTL_IDNA_VARIANT_UTS46 instead.
	idn_to_utf8	INTL_IDNA_VARIANT_2003 has been deprecated; use INTL_IDNA_VARIANT_UTS46 instead.
	imageantialias	imageantialias is now generally available. Formerly it was only available if PHP was compiled with the bundled version of the GD library.
	imagegd	imagegd now allows to output truecolor images. Formerly, these have been implicitly converted to palette.
	imagelayereffect	Added IMG_EFFECT_MULTIPLY (requires system libgd >= 2.1.1 or the bundled libgd).
	imagetypes	IMG_BMP added.
	is_object	is_object now returns true for unserialized objects without a class definition (class of __PHP_Incomplete_Class). Previously false was returned.
	json_decode	associative is nullable now.
	json_decode	JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE flags were added.
	json_encode	JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE flags were added.
	mail	The additional_headers parameter now also accepts an array.
	mb_check_encoding	This function now also accepts an array as value. Formerly, only strings have been supported.
	mb_convert_encoding	This function now also accepts an array as string. Formerly, only strings have been supported.
	mb_parse_str	Calling mb_parse_str without the second parameter was deprecated.
	mb_send_mail	The additional_headers parameter now also accepts an array.
	mt_rand	mt_rand has received a bug fix for a modulo bias bug. This means that sequences generated with a specific seed may differ from PHP 7.1 on 64-bit machines.
	number_format	number_format was changed to not being able to return -0, previously -0 could be returned for cases like where num would be -0.01.
	openssl_pkcs7_verify	The output_filename parameter was added.
	pack	float and double types supports both Big Endian and Little Endian.
	parse_str	Usage of parse_str without a second parameter now emits an E_DEPRECATED notice.
	password_hash	Support for Argon2i passwords using PASSWORD_ARGON2I was added.
	preg_match	The PREG_UNMATCHED_AS_NULL is now supported for the $flags parameter.
	preg_match_all	The PREG_UNMATCHED_AS_NULL is now supported for the $flags parameter.
	preg_quote	delimiter is nullable now.
	proc_nice	This function is now available on Windows.
	rand	rand has received a bug fix for a modulo bias bug. This means that sequences generated with a specific seed may differ from PHP 7.1 on 64-bit machines.
	read_exif_data	This function alias was deprecated.
	session_abort	The return type of this function is bool now. Formerly, it has been void.
	session_module_name	It is now explicitly forbidden to set the module name to "user". Formerly, this has been silently ignored.
	session_name	session_name checks session status, previously it only checked cookie status. Therefore, older session_name allows to call session_name after session_start which may crash PHP and may result in misbehaviors.
	session_reset	The return type of this function is bool now. Formerly, it has been void.
	session_set_cookie_params	Returns true on success or false on failure. Formerly the function returned void.
	session_unset	The return type of this function is bool now. Formerly, it has been void.
	session_write_close	The return type of this function is bool now. Formerly, it has been void.
	set_error_handler	errcontext became deprecated. Usage of this parameter now emits an E_DEPRECATED notice.
	unpack	float and double types supports both Big Endian and Little Endian.
	utf8_decode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
	utf8_encode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
	PDOStatement::debugDumpParams	PDOStatement::debugDumpParams now returns the SQL sent to the database, including the full, raw query (including the replaced placeholders with their bounded values). Note, that this will only be available if emulated prepared statements are turned on.
	ReflectionClass::getMethods	filter is nullable now.
	ReflectionClass::getProperties	filter is nullable now.
	SQLite3::openBlob	The flags parameter has been added, allowing to write BLOBs; formerly only reading was supported.
7.1.24	xml_parser_get_option	options now supports XML_OPTION_SKIP_TAGSTART and XML_OPTION_SKIP_WHITE.
7.1.5	IntlDateFormatter::format	Support for providing general DateTimeInterface objects to the datetime parameter was added. Formerly, only proper DateTime objects were supported.
7.1.4	PDO::sqliteCreateFunction	The flags parameter has been added.
	SQLite3::createFunction	The flags parameter has been added.
7.1.2	dns_get_record	Added support for CAA record type.
	fopen	The 'e' option was added.
7.1.1	get_defined_functions	The exclude_disabled parameter has been added.
	pack	The "e", "E", "g" and "G" codes were added to enable byte order support for float and double.
7.1.0	DateInterval::format	The F and f format characters were added.
	DateTime::setTime	The microsecond parameter was added.
	DateTimeImmutable::__construct	From now on microseconds are filled with actual value. Not with '00000'.
	DateTimeImmutable::setTime	The microsecond parameter was added.
	DateTimeZone::listIdentifiers	countryCode is nullable now.
	array_rand	The internal randomization algorithm has been changed to use the Mersenne Twister Random Number Generator instead of the libc rand function.
	curl_multi_setopt	Introduced CURLMOPT_PUSHFUNCTION.
	exif_imagetype	Added WebP support.
	file_get_contents	Support for negative offsets has been added.
	get_headers	The context parameter was added.
	getenv	The name can now be omitted to retrieve an associative array of all environment variables.
	getimagesize	Added WebP support.
	getopt	Added the rest_index parameter.
	grapheme_extract	Support for negative offsets has been added.
	grapheme_stripos	Support for negative offsets has been added.
	grapheme_strpos	Support for negative offsets has been added.
	hash_algos	Support for sha512/224, sha512/256, sha3-224, sha3-256, sha3-384 and sha3-512 has been added.
	iconv_strpos	Support for negative offsets has been added.
	json_decode	An empty JSON key ("") can be encoded to the empty object property instead of using a key with value _empty_.
	json_encode	JSON_UNESCAPED_LINE_TERMINATORS flags was added.
	json_encode	serialize_precision is used instead of precision when encoding float values.
	list	It is now possible to specify keys in list. This enables destructuring of arrays with non-integer or non-sequential keys.
	long2ip	The parameter type of ip has been changed from string to int.
	mb_ereg	mb_ereg will now set matches to an empty array, if nothing matched. Formerly, matches was not modified in that case.
	mb_ereg_replace	The function checks whether string is valid for the current encoding.
	mb_ereg_replace	The e modifier has been deprecated.
	mb_ereg_replace_callback	The function checks whether string is valid for the current encoding.
	mb_ereg_search_setpos	Support for negative offsets has been added.
	mb_eregi	mb_eregi will now set matches to an empty array, if nothing matched. Formerly, matches was not modified in that case.
	mb_eregi_replace	The function checks whether string is valid for the current encoding.
	mb_eregi_replace	The e modifier has been deprecated.
	mb_regex_set_options	The "e" option now emits an E_DEPRECATED.
	mb_strimwidth	Support for negative starts and widths has been added.
	mb_stripos	Support for negative offsets has been added.
	mb_strpos	Support for negative offsets has been added.
	mt_rand	rand has been made an alias of mt_rand.
	mt_rand	mt_rand has been updated to use the fixed, correct, version of the Mersenne Twister algorithm. To fall back to the old behaviour, use mt_srand with MT_RAND_PHP as the second parameter.
	mt_srand	srand has been made an alias of mt_srand.
	mt_srand	mt_rand has been updated to use the fixed, correct, version of the Mersenne Twister algorithm. To fall back to the old behaviour, use mt_srand with MT_RAND_PHP as the second parameter.
	openssl_csr_new	options now also supports curve_name.
	openssl_decrypt	The tag and aad parameters were added.
	openssl_encrypt	The tag, aad and tag_length parameters were added.
	openssl_pkey_new	The curve_name key of the options parameter was added to make it possible to create EC keys based on Elliptic Curve algorithms.
	output_add_rewrite_var	As of PHP 7.1.0, a dedicated output buffer is used, url_rewriter.tags is used solely for output functions and url_rewriter.hosts is available. Prior to PHP 7.1.0, rewrite variables set by output_add_rewrite_var shared an output buffer with transparent session id support (see session.trans_sid_tags).
	output_reset_rewrite_vars	Before PHP 7.1.0, rewrite vars set by output_add_rewrite_var use the same Session module trans sid output buffer. Since PHP 7.1.0, dedicated output buffer is used and output_reset_rewrite_vars only removes rewrite vars defined by output_add_rewrite_var.
	pcntl_signal	As of PHP 7.1.0 the handler callback is given a second argument containing the siginfo of the specific signal. This data is only supplied if the operating system has the siginfo_t structure. If the OS does not implement siginfo_t NULL is supplied.
	pcntl_signal_get_handler	pcntl_signal_get_handler has been added.
	pg_fetch_all	The mode parameter was added.
	pg_last_notice	The mode parameter was added.
	pg_select	The mode parameter was added.
	rand	rand has been made an alias of mt_rand.
	session_start	session_start now returns false and no longer initializes $_SESSION when it failed to start the session.
	shuffle	The internal randomization algorithm has been changed to use the Mersenne Twister Random Number Generator instead of the libc rand function.
	srand	srand has been made an alias of mt_srand.
	str_shuffle	The internal randomization algorithm has been changed to use the Mersenne Twister Random Number Generator instead of the libc rand function.
	stripos	Support for negative offsets has been added.
	strpos	Support for negative offsets has been added.
	substr_count	Support for negative offsets and lengths has been added. length may also be 0 now.
	tempnam	tempnam now emits a notice when falling back to the temp directory of the system.
	unpack	The optional offset has been added.
	unserialize	The allowed_classes element of options) is now strictly typed, i.e. if anything other than an array or a bool is given, unserialize returns false and issues an E_WARNING.
	ReflectionType::__toString	ReflectionType::__toString has been deprecated.
	SessionHandler::gc	Prior to this version, the function returned true on success.
	SessionHandlerInterface::gc	Prior to this version, the function returned true on success.
7.0.16	dns_get_record	Added support for CAA record type.
	fopen	The 'e' option was added.
7.0.15	get_defined_functions	The exclude_disabled parameter has been added.
	pack	The "e", "E", "g" and "G" codes were added to enable byte order support for float and double.
7.0.11	iconv_substr	If string is equal to offset characters long, an empty string will be returned. Prior to this version, false was returned in this case.
7.0.10	imagetypes	IMG_WEBP added.
	SplFileObject::getCsvControl	Added the escape character to the returned array.
	SQLite3::__construct	The filename can now be empty to use a private, temporary on-disk database.
7.0.9	getenv	The local_only parameter has been added.
7.0.7	curl_multi_setopt	Introduced CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE, CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE, CURLMOPT_MAX_HOST_CONNECTIONS, CURLMOPT_MAX_PIPELINE_LENGTH and CURLMOPT_MAX_TOTAL_CONNECTIONS.
	curl_setopt	Introduced CURL_HTTP_VERSION_2, CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, CURL_HTTP_VERSION_2TLS, CURL_REDIR_POST_301, CURL_REDIR_POST_302, CURL_REDIR_POST_303, CURL_REDIR_POST_ALL, CURL_VERSION_KERBEROS5, CURL_VERSION_PSL, CURL_VERSION_UNIX_SOCKETS, CURLAUTH_NEGOTIATE, CURLAUTH_NTLM_WB, CURLFTP_CREATE_DIR, CURLFTP_CREATE_DIR_NONE, CURLFTP_CREATE_DIR_RETRY, CURLHEADER_SEPARATE, CURLHEADER_UNIFIED, CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE, CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE, CURLMOPT_MAX_HOST_CONNECTIONS, CURLMOPT_MAX_PIPELINE_LENGTH, CURLMOPT_MAX_TOTAL_CONNECTIONS, CURLOPT_CONNECT_TO, CURLOPT_DEFAULT_PROTOCOL, CURLOPT_DNS_INTERFACE, CURLOPT_DNS_LOCAL_IP4, CURLOPT_DNS_LOCAL_IP6, CURLOPT_EXPECT_100_TIMEOUT_MS, CURLOPT_HEADEROPT, CURLOPT_LOGIN_OPTIONS, CURLOPT_PATH_AS_IS, CURLOPT_PINNEDPUBLICKEY, CURLOPT_PIPEWAIT, CURLOPT_PROXY_SERVICE_NAME, CURLOPT_PROXYHEADER, CURLOPT_SASL_IR, CURLOPT_SERVICE_NAME, CURLOPT_SSL_ENABLE_ALPN, CURLOPT_SSL_ENABLE_NPN, CURLOPT_SSL_FALSESTART, CURLOPT_SSL_VERIFYSTATUS, CURLOPT_STREAM_WEIGHT, CURLOPT_TCP_FASTOPEN, CURLOPT_TFTP_NO_OPTIONS, CURLOPT_UNIX_SOCKET_PATH, CURLOPT_XOAUTH2_BEARER, CURLPROTO_SMB, CURLPROTO_SMBS, CURLPROXY_HTTP_1_0, CURLSSH_AUTH_AGENT and CURLSSLOPT_NO_REVOKE.
7.0.0	define	array values are allowed.
	dirname	Added the optional levels parameter.
	getrusage	This function is now supported on Windows.

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