private function _isNotEqualSelector($node)
    {
        return !$node->hasAttribute($this->_attrName)
            || $node->getAttribute($this->_attrName) != $this->_value;
    }
private function _isNotEqualSelector($node)
    {
        return !$node->hasAttribute($this->_attrName)
            || $node->getAttribute($this->_attrName) != $this->_value;
    }
private function _isNotEqualSelector ( $ node ) { return ! $ node -> hasAttribute ( $ this -> _attrName ) || $ node -> getAttribute ( $ this -> _attrName ) != $ this -> _value ; }
Not equal selector.

Select elements that either don't have the specified attribute, or do have
the specified attribute but not with a certain value.

@param DOMElement $node DOMElement object

@link http://api.jquery.com/attribute-not-equal-selector/
@return boolean
Not equal selector .