original_string: public function isLeap()
      {
          if (0 !== $this->year % 4) {
              return false;
          }
  
          if (0 !== $this->year % 100) {
              return true;
          }
  
          if (0 !== $this->year % 400) {
              return false;
          }
  
          return true;
      }
code: public function isLeap()
      {
          if (0 !== $this->year % 4) {
              return false;
          }
  
          if (0 !== $this->year % 100) {
              return true;
          }
  
          if (0 !== $this->year % 400) {
              return false;
          }
  
          return true;
      }
code_tokens: public function isLeap ( ) { if ( 0 !== $ this -> year % 4 ) { return false ; } if ( 0 !== $ this -> year % 100 ) { return true ; } if ( 0 !== $ this -> year % 400 ) { return false ; } return true ; }
docstring: Checks if this year is a leap year.
  
  @return bool
docstring_tokens: Checks if this year is a leap year .