   #PHP Manual DOM XML functions DomNode->remove_child
   DomNode->replace_node

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                            DomNode->replace_child

   (no version information, might be only in CVS)
   DomNode->replace_child --  Replaces a child

Description

   object DomNode->replace_child ( object oldnode, object newnode)

   (PHP 4.2) This function replaces the child oldnode 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.

   (PHP 4.3) This function replaces the child oldnode with the passed
   newnode, even if the new node already is a child of the DomNode. If
   newnode 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).

   See also domnode_append_child()
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