DomNode->replace_child
DomNode->set_content
DOM XML Функции
PHP Manual

# DomNode->replace_node

(PHP 4 >= 4.2.0)

DomNode->replace_node — Replaces node

### Описание

domelement DomNode->replace_node ( domelement `$newnode` )

(PHP 4.2) This function replaces an existing node with the passed new node. Before the replacement `newnode` is copied if it has a parent to make sure a node which is already in the document will not be inserted a second time. This behaviour enforces doing all modifications on the node before the replacement or to refetch the inserted node afterwards with functions like domnode_first_child(), domnode_child_nodes() etc..

(PHP 4.3) This function replaces an existing node with the passed new node. It is not copied anymore. If `newnode` was already inserted in the document it is first unlinked from its existing context. If the replacement succeeds the old node is returned.

See also domnode_append_child()

DomNode->replace_child
DomNode->set_content
DOM XML Функции
PHP Manual