original_string: private function handleError($exception)
      {
          if ($this->errorCallback !== null) {
              $callback = $this->errorCallback;
              $callback($exception);
          }
      }
code: private function handleError($exception)
      {
          if ($this->errorCallback !== null) {
              $callback = $this->errorCallback;
              $callback($exception);
          }
      }
code_tokens: private function handleError ( $ exception ) { if ( $ this -> errorCallback !== null ) { $ callback = $ this -> errorCallback ; $ callback ( $ exception ) ; } }
docstring: Executes the registered error callback.
  
  @param \Throwable $exception
docstring_tokens: Executes the registered error callback .