original_string: public function isSameString($leftString, $rightString)
      {
          if (is_string($leftString) && is_string($rightString) &&
              strlen($leftString) == strlen($rightString) &&
              md5($leftString) == md5($rightString)
          )
          {
              return true;
          }
  
          return false;
      }
code: public function isSameString($leftString, $rightString)
      {
          if (is_string($leftString) && is_string($rightString) &&
              strlen($leftString) == strlen($rightString) &&
              md5($leftString) == md5($rightString)
          )
          {
              return true;
          }
  
          return false;
      }
code_tokens: public function isSameString ( $ leftString , $ rightString ) { if ( is_string ( $ leftString ) && is_string ( $ rightString ) && strlen ( $ leftString ) == strlen ( $ rightString ) && md5 ( $ leftString ) == md5 ( $ rightString ) ) { return true ; } return false ; }
docstring: check the strings is the same or not
  @param string $leftString
  @param string $rightString
  @return bool
docstring_tokens: check the strings is the same or not