DOMNode::insertBefore
(PHP 5)
DOMNode::insertBefore — Adds a new child before a reference node
Description
This function inserts a new node right before the reference node. If you plan to do further modifications on the appended child you must use the returned node.
Parameters
- newnode
-
The new node.
- refnode
-
The reference node. If not supplied, newnode is appended to the children.
Return Values
The inserted node.
Errors/Exceptions
- DOM_NO_MODIFICATION_ALLOWED_ERR
-
Raised if this node is readonly or if the previous parent of the node being inserted is readonly.
- DOM_HIERARCHY_REQUEST_ERR
-
Raised if this node is of a type that does not allow children of the type of the newnode node, or if the node to append is one of this node's ancestors or this node itself.
- DOM_WRONG_DOCUMENT_ERR
-
Raised if newnode was created from a different document than the one that created this node.
- DOM_NOT_FOUND
-
Raised if refnode is not a child of this node.