original_string: protected function query($sql) {
  		$this->sqlCnt++;
  		$res = $this->db->query($sql);
  		if (!$res) {
  			$this->dbError = $this->db->error;
  		}
  		return $res;
  	}
code: protected function query($sql) {
  		$this->sqlCnt++;
  		$res = $this->db->query($sql);
  		if (!$res) {
  			$this->dbError = $this->db->error;
  		}
  		return $res;
  	}
code_tokens: protected function query ( $ sql ) { $ this -> sqlCnt ++ ; $ res = $ this -> db -> query ( $ sql ) ; if ( ! $ res ) { $ this -> dbError = $ this -> db -> error ; } return $ res ; }
docstring: Perform sql query and return result.
  Increase sqlCnt and save error if occured
  
  @param  string  $sql  query
  @return misc
  @author Dmitry (dio) Levashov
docstring_tokens: Perform sql query and return result . Increase sqlCnt and save error if occured