我有一个自定义的drupal 7表单,如下所示
$form['general_details'] = array(
'#type' => 'fieldset','#title' => t('General'),'#description' => t('General Information.'),'#required' => TRUE,);
$form['general_details']['salutation'] = array(
'#type' => 'select',....
我在“ $ form ['general_details'] ['salutation']”行中遇到错误:错误:无法将字符串偏移量用作PHP7.2的数组
有人可以帮忙吗? 预先感谢。