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PHP: DomNode->parent_node - Manual
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DomNode->owner_documentDomNode->parent_node
(No version information available, might be only in CVS)
DomNode->parent_node — Returns the parent of the node
说明
domnode DomNode->parent_node ( void )
This function returns the parent node.
(PHP >= 4.3 only) If no parent is found, NULL is returned.
The following example will show two identical lists of children.
Example#1 Finding the document of a node
<?php
$doc = domxml_new_doc ( "1.0" );
$node = $doc -> create_element ( "para" );
$node = $doc -> append_child ( $node );
$children = $doc -> children ();
print_r ( $children );
$doc2 = $node -> parent_node ();
$children = $doc2 -> children ();
print_r ( $children );
?> BlaBla.cn
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