private function DeleteImageFileByMember($param)
 {
     // List all image file
     $dataset = parent::ListAllImageMemberProcess(array('member_id' => $param['member_id']));
     // Delete file
     foreach ($dataset as $k => $var) {
         unlink($var['image_thumbnail']);
         unlink($var['image_square']);
         unlink($var['image_mini']);
         unlink($var['image_normal']);
         unlink($var['image_large']);
     }
 }