SimpleXMLElement->children()
(PHP 5 >= 5.0.1)
SimpleXMLElement->children() — Finds children of given node
说明
SimpleXMLElement
SimpleXMLElement children
([ string $ns
[, bool $is_prefix
]] )
This method finds the children of the element of which it is a member. The result follows normal iteration rules.
Note: SimpleXML 创建了一条给大部分方法增加交互式属性的规则。这些属性不能够使用 var_dump() 或其它检查对象的方法来查看。
参数
- ns
-
- is_prefix
-
Default to FALSE
返回值
更新日志
| 版本 | 说明 |
|---|---|
| 5.2.0 | The optional parameter is_prefix was added. |
范例
Example#1 Traversing a children() pseudo-array
<?php
$xml = new SimpleXMLElement(
'<person>
<child role="son">
<child role="daughter"/>
</child>
<child role="daughter">
<child role="son">
<child role="son"/>
</child>
</child>
</person>');
foreach ($xml->children() as $second_gen) {
echo ' The person begot a ' . $second_gen['role'];
foreach ($second_gen->children() as $third_gen) {
echo ' who begot a ' . $third_gen['role'] . ';';
foreach ($third_gen->children() as $fourth_gen) {
echo ' and that ' . $third_gen['role'] .
' begot a ' . $fourth_gen['role'];
}
}
}
?>
上例将输出：
The person begot a son who begot a daughter; The person begot a daughter who begot a son; and that son begot a son
