(PHP 8)
DOMDocument::prepend — Prepends nodes before the first child node
Prepends one or many nodes to the list of children before the first child node.
nodesThe nodes to prepend. Strings are automatically converted to text nodes.
No value is returned.
DOM_HIERARCHY_REQUEST_ERR
Raised if this node is of a type that does not allow children of the
type of one of the passed nodes, or if the node to
put in is one of this node's ancestors or this node itself.
DOM_WRONG_DOCUMENT_ERR
Raised if one of the passed nodes was created from a different
document than the one that created this node.
| Version | Description |
|---|---|
| 8.3.0 |
Calling this method on a node without an owner document now works.
Previously this threw a
DOMException with code
DOM_HIERARCHY_REQUEST_ERR.
|
Example #1 DOMDocument::prepend() example
Adds nodes before the document root.
<?php
$doc = new DOMDocument;
$doc->loadXML("<world/>");
$doc->prepend($doc->createElement("hello"), "beautiful");
echo $doc->saveXML();
?>The above example will output:
<?xml version="1.0"?> <hello/> beautiful <world/>