(PHP 5, PHP 7)
DOMElement::removeAttributeNode — Removes attribute
Removes attribute oldnode from the element.
oldnodeThe attribute node.
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
DOM_NO_MODIFICATION_ALLOWED_ERRRaised if the node is readonly.
DOM_NOT_FOUND_ERROR
Raised if oldnode is not an attribute of the element.