PHP children()函数讲解

来源：葆艾科技网

PHP children() 函数

实例

查找 note 节点的子节点：

<?php 
$note=<<<XML
<note> 
<to>Tove</to> 
<from>Jani</from> 
<heading>Reminder</heading> 
<body>Don't forget me this weekend!</body> 
</note> 
XML;
$xml=simplexml_load_string($note); 
foreach ($xml->children() as $child) 
{ 
echo "Child node: " . $child . "<br>"; 
} 
?>

定义和用法

children()函数查找指定节点的子节点。

语法

children( _ns,is_prefix_ );

实例 1

查找 body 节点的子节点：

<?php 
$note=<<<XML 
<note> 
<to>Tove</to> 
<from>Jani</from> 
<heading>Reminder</heading> 
<body><span>Important!</span> Don't forget me this weekend!</body> 
</note> 
XML;
$xml=simplexml_load_string($note); 
foreach ($xml->body[0]->children() as $child) 
{ 
echo "Child node: " . $child . "<br>"; 
} 
?>

总结