public function isModified($id)
    {
        return isset($this->modified[$id]) and !empty($this->modified[$id]);
    }
public function isModified($id)
    {
        return isset($this->modified[$id]) and !empty($this->modified[$id]);
    }
public function isModified ( $ id ) { return isset ( $ this -> modified [ $ id ] ) and ! empty ( $ this -> modified [ $ id ] ) ; }
Tells whether requested row is in modified state

@param int $id
@return bool
Tells whether requested row is in modified state