DOMNode::insertBefore
Adds a new child before a reference node
Description
public DOMNode DOMNode::insertBefore
( DOMNode $newnode
[, DOMNode $refnode
] )
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.