original_string: protected function evaluateDateString($string)
      {
          $seconds = 1;
          $matches = [];
          preg_match('/^([0-9]*)([s|M|h|d|m|y])$/', $string, $matches);
  
          switch ($matches[2]) {
              case 's':
                  $seconds = $matches[1];
                  break;
              case 'M':
                  $seconds = $this->evaluateDateString(60 * $matches[1] . 's');
                  break;
              case 'h':
                  $seconds = $this->evaluateDateString(60 * $matches[1] . 'M');
                  break;
              case 'd':
                  $seconds = $this->evaluateDateString(24 * $matches[1] . 'h');
                  break;
              case 'm':
                  $seconds = $this->evaluateDateString(30 * $matches[1] . 'd');
                  break;
              case 'y':
                  $seconds = $this->evaluateDateString(12 * $matches[1] . 'm');
                  break;
          }
  
          return $seconds;
      }
code: protected function evaluateDateString($string)
      {
          $seconds = 1;
          $matches = [];
          preg_match('/^([0-9]*)([s|M|h|d|m|y])$/', $string, $matches);
  
          switch ($matches[2]) {
              case 's':
                  $seconds = $matches[1];
                  break;
              case 'M':
                  $seconds = $this->evaluateDateString(60 * $matches[1] . 's');
                  break;
              case 'h':
                  $seconds = $this->evaluateDateString(60 * $matches[1] . 'M');
                  break;
              case 'd':
                  $seconds = $this->evaluateDateString(24 * $matches[1] . 'h');
                  break;
              case 'm':
                  $seconds = $this->evaluateDateString(30 * $matches[1] . 'd');
                  break;
              case 'y':
                  $seconds = $this->evaluateDateString(12 * $matches[1] . 'm');
                  break;
          }
  
          return $seconds;
      }
code_tokens: protected function evaluateDateString ( $ string ) { $ seconds = 1 ; $ matches = [ ] ; preg_match ( '/^([0-9]*)([s|M|h|d|m|y])$/' , $ string , $ matches ) ; switch ( $ matches [ 2 ] ) { case 's' : $ seconds = $ matches [ 1 ] ; break ; case 'M' : $ seconds = $ this -> evaluateDateString ( 60 * $ matches [ 1 ] . 's' ) ; break ; case 'h' : $ seconds = $ this -> evaluateDateString ( 60 * $ matches [ 1 ] . 'M' ) ; break ; case 'd' : $ seconds = $ this -> evaluateDateString ( 24 * $ matches [ 1 ] . 'h' ) ; break ; case 'm' : $ seconds = $ this -> evaluateDateString ( 30 * $ matches [ 1 ] . 'd' ) ; break ; case 'y' : $ seconds = $ this -> evaluateDateString ( 12 * $ matches [ 1 ] . 'm' ) ; break ; } return $ seconds ; }
docstring: Convert string to seconds
  
  @param string $string The string
  
  @return int
docstring_tokens: Convert string to seconds