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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.11 $ -->
<refentry id='function.domnode-replace-child'>
<refnamediv>
<refname>DomNode->replace_child</refname>
<refpurpose>
Replaces a child
</refpurpose>
</refnamediv>
<refsect1>
&reftitle.description;
<methodsynopsis>
<type>domelement</type><methodname>DomNode->replace_child</methodname>
<methodparam><type>domelement</type><parameter>newnode</parameter></methodparam>
<methodparam><type>domelement</type><parameter>oldnode</parameter></methodparam>
</methodsynopsis>
<para>
(PHP 4.2) This function replaces the child <parameter>oldnode</parameter>
with the passed new node. If the new node is already a child it
will not be added a second time. If the old node cannot be found
the function returns &false;. If the replacement succeeds the old node
is returned.
</para>
<para>
(PHP 4.3) This function replaces the child <parameter>oldnode</parameter>
with the passed <parameter>newnode</parameter>, even if the new node already
is a child of the DomNode. If <parameter>newnode</parameter> was already
inserted in the document it is first unlinked from its existing context.
If the old node cannot be found the function returns &false;. If the replacement
succeeds the old node is returned. (This behaviour is according to the W3C specs).
</para>
<para>
See also <function>domnode_append_child</function>
</para>
</refsect1>
</refentry>
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