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# DomNode->insert_before

(no version information, might be only in CVS)

DomNode->insert_before -- 新規ノードを子ノードとして挿入する

## 説明

object DomNode->insert_before ( object newnode, object refnode)

This function inserts the new node `newnode` right before the node `refnode`. The return value is the inserted node. If you plan to do further modifications on the appended child you must use the returned node.

DomNode_insert_before() is very similar to DomNode_append_child() as the following example shows which does the same as the example at DomNode_append_child().

例 1. Adding a child

`include("example.inc");
if(!$dom = domxml_open_mem($xmlstr)) {
echo "Error while parsing the document\n";
exit;
}
$elements = $dom->get_elements_by_tagname("informaltable");
print_r($elements);
$element = $elements[0];
$newnode = $element->insert_before($element, $element);
$children = $newnode->children();
$attr = $children[1]->set_attribute("align", "left");
echo "<PRE>";
$xmlfile = $dom->dump_mem();
echo htmlentities($xmlfile);
echo "</PRE>";`

See also DomNode_append_child().

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