DomNode_>replace_child

Description

(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 succeds 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 succeds the old node is returned_ (This behaviour is according to the W3C specs)_

See also domnode_append_child()