public function removeAttributeNS(string $namespaceURI, string $localName) : void
    {
        $fullName = '{'.$namespaceURI.'}'.$localName;
        unset($this->attributes[$fullName]);
    }
public function removeAttributeNS(string $namespaceURI, string $localName) : void
    {
        $fullName = '{'.$namespaceURI.'}'.$localName;
        unset($this->attributes[$fullName]);
    }
public function removeAttributeNS ( string $ namespaceURI , string $ localName ) : void { $ fullName = '{' . $ namespaceURI . '}' . $ localName ; unset ( $ this -> attributes [ $ fullName ] ) ; }
Remove a namespace-qualified attribute.

@param string $namespaceURI The namespace URI.
@param string $localName The local name.
@return void
Remove a namespace - qualified attribute .