Admin_SlideshowController::setSlideshowRenditions PHP Метод

    private function setSlideshowRenditions(\Zend_Form $form)
    {
        $renditions = $this->_helper->service('image.rendition')->getOptions();
        if (array_key_exists(self::SLIDESHOW_RENDITION, $renditions)) {
            $renditions = array(self::SLIDESHOW_RENDITION => $renditions[self::SLIDESHOW_RENDITION]);
        }
        if (count($renditions) === 1) {
            $form->removeElement('rendition');
            $form->addElement('hidden', 'rendition', array('value' => array_pop(array_keys($renditions))));
        } else {
            $form->rendition->setMultiOptions($renditions);
        }
    }