(PHP 5, PHP 7) Adds new attribute node to element
(PHP 5, PHP 7) Declares the attribute specified by local name and namespace URI to be of type ID
(PHP 5, PHP 7) Declares the attribute specified by node to be of type ID
(PHP 5, PHP 7) Checks to see if attribute exists
(PHP 5, PHP 7) Returns attribute node public
(PHP 5, PHP 7) Removes attribute public bool
(PHP 5, PHP 7) Creates a new DOMElement object
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