Apply class to Symfony2 Form Label
问题 I'm attempting to set the class on a class on a form label using php templates. Here's my code: <?php echo $view['form']->label($form['first_name'], 'First Name', array( 'attr' => array('class' => 'control-label') )) ?> But here's my output: <label class="required" for="form_first_name">First name</label> I can find how to do it using twig, but not an example with PHP. 回答1: I've got it... <?php echo $view['form']->label($form['first_name'], 'First Name', array( 'label_attr' => array('class' =