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在action.class.php:如何重构这个symfony代码?
$form = new NewsForm();
$form->setWidget('thumbnail', new sfWidgetFormSelect(array('choices' => $news['images'])));
$form->getWidget('summarize')->setDefault($news['summarize']);
$form->getWidget('title')->setDefault($news['title']);
凡在前面的步骤中生成$news
;
它看起来多余,如何重构它?