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PHP 8.4.0 RC4 available for testing
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
GUI Extensions
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Funciones Varias
Tabla de contenidos
connection_aborted
— Verifica si el cliente se desconectó
connection_status
— Devuelve el campo de bits de status de conexión
constant
— Devuelve el valor de una constante
define
— Define una constante con nombre
defined
— Comprueba si existe una constante con nombre dada
die
— Equivalente a exit
eval
— Evaluar una cadena como código de PHP
exit
— Imprime un mensaje y termina el script actual
get_browser
— Indica de lo que es capaz el navegador del usuario
__halt_compiler
— Detiene la ejecución del compilador
highlight_file
— Remarcado de la sintaxis de un fichero
highlight_string
— Remarcado de sintaxis de una cadena
hrtime
— Get the system's high resolution time
ignore_user_abort
— Establecer si la desconexión de un cliente debería abortar la ejecución del script
pack
— Empaqueta información a una cadena binaria
php_strip_whitespace
— Devuelve el código fuente sin los comentarios y espacios blancos
sapi_windows_cp_conv
— Convert string from one codepage to another
sapi_windows_cp_get
— Get current codepage
sapi_windows_cp_is_utf8
— Indicates whether the codepage is UTF-8 compatible
sapi_windows_cp_set
— Set process codepage
sapi_windows_generate_ctrl_event
— Send a CTRL event to another process
sapi_windows_set_ctrl_handler
— Set or remove a CTRL event handler
sapi_windows_vt100_support
— Get or set VT100 support for the specified stream associated to an output buffer of a Windows console.
show_source
— Alias de highlight_file
sleep
— Retrasar la ejecución
sys_getloadavg
— Obtiene la carga media del sistema
time_nanosleep
— Retrasar por un número de segundos y nanosegundos
time_sleep_until
— Hacer que el script duerma hasta el momento especificado
uniqid
— Generar un ID único
unpack
— Desempaqueta datos de una cadena binaria
usleep
— Retrasar la ejecución en microsegundos
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