DOMNode::insertBefore

(PHP 5, PHP 7)
Adds a new child before a reference node
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.

Returns:

The inserted node.

Exception:

Raised if this node is readonly or if the previous parent of the node being inserted is readonly.

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.

Raised if newnode was created from a different document than the one that created this node.

Raised if refnode is not a child of this node.

See also:

DOMNode::appendChild() -

doc_php
2016-02-24 16:14:55
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