//Говорящие названия - такие говорящие!
    function asdfasdf (WebAPI_Entity $screenshot_dictionary)
    {
        $result = array();
        foreach ($screenshot_dictionary->getEntities () as $scr)
        {
            $result [] = $scr->toObject ();
        }
        usort($result, array ($this, 'sortScreenshots'));
        return $this->prepare_screenshots ($result);
    }
    
// вставляем остальные скриншоты
$elements = $this->asdfasdf ($screenshot_dictionary);