public function remove($key) {
        if (isset($this->_attrs[$key])) {
            unset($this->_attrs[$key]);
        }
        
        return $this;
    }
public function remove($key) {
        if (isset($this->_attrs[$key])) {
            unset($this->_attrs[$key]);
        }
        
        return $this;
    }
public function remove ( $ key ) { if ( isset ( $ this -> _attrs [ $ key ] ) ) { unset ( $ this -> _attrs [ $ key ] ) ; } return $ this ; }
Remove tag attribute

@access  public
@param   string  $key
@return  object  Tag instance
Remove tag attribute