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SimpleXMLElement::getChildren — Returns the sub-elements of the current element
Prior to PHP 8.0, SimpleXMLElement::getChildren() was only declared on the subclass SimpleXMLIterator.
This method returns a SimpleXMLElement object containing sub-elements of the current SimpleXMLElement element.
此函数没有参数。
Returns a SimpleXMLElement object containing the sub-elements of the current element.
示例 #1 Return the sub-elements of the current element
<?php
$xml = <<<XML
<books>
<book>
<title>PHP Basics</title>
<author>Jim Smith</author>
</book>
<book>XML basics</book>
</books>
XML;
$xmlElement = new SimpleXMLElement($xml);
for ($xmlElement->rewind(); $xmlElement->valid(); $xmlElement->next()) {
foreach($xmlElement->getChildren() as $name => $data) {
echo "The $name is '$data' from the class " . get_class($data) . "\n";
}
}
?>以上示例会输出：
The title is 'PHP Basics' from the class SimpleXMLElement The author is 'Jim Smith' from the class SimpleXMLElement