(PHP 5, PHP 7)
Create new element node with an associated namespace
public DOMElement DOMDocument::createElementNS ( string $namespaceURI, string $qualifiedName [, string $value ] )
This function creates a new element node with an associated namespace. This node will not show up in the document unless it is inserted with (e.g.) DOMNode::appendChild().
Parameters:
namespaceURI