SimpleXMLElement->children()
(no version information, might be only in CVS)
SimpleXMLElement->children() -- Finds children of given node
说明
class
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.
注意: 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
范例
例 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 |
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