动态添加数组键 PHP

Adding array key dynamically PHP

我正在 Silex 中创建一个动态表单,该表单会根据需要进行更改。

如果$disabled = 'true'

我要怎么改:

$form = $app['form.factory']->createBuilder('form')

->add('email', 'email', array(
    'data' => $from
))

$form = $app['form.factory']->createBuilder('form')

->add('email', 'email', array(
    'disabled' => true,
    'data' => $from
))

你可以这样完成:

$form = $app['form.factory']->createBuilder('form');

$options = array(
    'data' => $from
);

if($disabled == 'true'){
    $options['disabled'] = true;
}

$form->add('email', 'email', $options)