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DOMNode::insertBefore

(PHP 5)

DOMNode::insertBefore Adds a new child before a reference node

Description

public DOMNode DOMNode::insertBefore ( DOMNode $newnode [, DOMNode $refnode ] )

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.

See Also

PHP Manual