(PHP 4 >= 4.3.0)
DomNode->add_namespace — Adds a namespace declaration to a node
This method adds a namespace declaration to a node.
Замечание:
This method is not part of the DOM specification.
The namespace URI of the node.
The namespace prefix of the node.
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
You can set the namespace URI and prefix of a DOMElement or a DOMAttr at creation time by using DOMDocument::createElementNS or DOMDocument::createAttributeNS.
Замечание:
Remember the an attribute does not inherit its namespace from the element it is attached to.