original_string: function get_last_date_last_year($y=1) {
      return $this->mdate($this->dateFormat, mktime(24, 0, 0, 1, -1, $this->mdate("Y")-($y-1)));
    }
code: function get_last_date_last_year($y=1) {
      return $this->mdate($this->dateFormat, mktime(24, 0, 0, 1, -1, $this->mdate("Y")-($y-1)));
    }
code_tokens: function get_last_date_last_year ( $ y = 1 ) { return $ this -> mdate ( $ this -> dateFormat , mktime ( 24 , 0 , 0 , 1 , - 1 , $ this -> mdate ( "Y" ) - ( $ y - 1 ) ) ) ; }
docstring: Return last date of last year
docstring_tokens: Return last date of last year