original_string: public function getHandler($handler_id)
      {
          $handlers = $this->getHandlers();
          return empty($handlers[$handler_id]) ? array() : $handlers[$handler_id];
      }
code: public function getHandler($handler_id)
      {
          $handlers = $this->getHandlers();
          return empty($handlers[$handler_id]) ? array() : $handlers[$handler_id];
      }
code_tokens: public function getHandler ( $ handler_id ) { $ handlers = $ this -> getHandlers ( ) ; return empty ( $ handlers [ $ handler_id ] ) ? array ( ) : $ handlers [ $ handler_id ] ; }
docstring: Returns an installer handler
  @param string $handler_id
  @return array
docstring_tokens: Returns an installer handler