original_string: public function dist($other) {
          return sqrt(pow($this->x - $other->x, 2) + pow($this->y - $other->y, 2));
      }
code: public function dist($other) {
          return sqrt(pow($this->x - $other->x, 2) + pow($this->y - $other->y, 2));
      }
code_tokens: public function dist ( $ other ) { return sqrt ( pow ( $ this -> x - $ other -> x , 2 ) + pow ( $ this -> y - $ other -> y , 2 ) ) ; }
docstring: Return the distance between this point and another
docstring_tokens: Return the distance between this point and another