original_string: public function run()
      {
          // The token or post data is invalid
          if ($this->parseRet['code'] !== 1) {
              return false;
          }
  
          // Output 'echostr' for first time authentication
          if (isset($this->query['echostr'])) {
              return htmlspecialchars($this->query['echostr'], ENT_QUOTES, 'UTF-8');
          }
  
          $msg = $this->handleMsg();
          if (!$msg) {
              return 'success';
          }
          return $this->isEncrypted() ? $this->encryptMsg($msg) : $msg;
      }
code: public function run()
      {
          // The token or post data is invalid
          if ($this->parseRet['code'] !== 1) {
              return false;
          }
  
          // Output 'echostr' for first time authentication
          if (isset($this->query['echostr'])) {
              return htmlspecialchars($this->query['echostr'], ENT_QUOTES, 'UTF-8');
          }
  
          $msg = $this->handleMsg();
          if (!$msg) {
              return 'success';
          }
          return $this->isEncrypted() ? $this->encryptMsg($msg) : $msg;
      }
code_tokens: public function run ( ) { // The token or post data is invalid if ( $ this -> parseRet [ 'code' ] !== 1 ) { return false ; } // Output 'echostr' for first time authentication if ( isset ( $ this -> query [ 'echostr' ] ) ) { return htmlspecialchars ( $ this -> query [ 'echostr' ] , ENT_QUOTES , 'UTF-8' ) ; } $ msg = $ this -> handleMsg ( ) ; if ( ! $ msg ) { return 'success' ; } return $ this -> isEncrypted ( ) ? $ this -> encryptMsg ( $ msg ) : $ msg ; }
docstring: Execute the matched rule and returns the rule result
  
  Returns false when the token is invalid or no rules matched
  
  @return string|false
docstring_tokens: Execute the matched rule and returns the rule result