original_string: protected function queuePoll($url)
      {
          $self = $this;
          $this->loop->addTimer(
              $this->interval,
              function() use ($url, $self) {
                  $self->pollFeed($url);
              }
          );
      }
code: protected function queuePoll($url)
      {
          $self = $this;
          $this->loop->addTimer(
              $this->interval,
              function() use ($url, $self) {
                  $self->pollFeed($url);
              }
          );
      }
code_tokens: protected function queuePoll ( $ url ) { $ self = $ this ; $ this -> loop -> addTimer ( $ this -> interval , function ( ) use ( $ url , $ self ) { $ self -> pollFeed ( $ url ) ; } ) ; }
docstring: Sets up a callback to poll a specified feed.
  
  @param string $url Feed URL
docstring_tokens: Sets up a callback to poll a specified feed .