| Server IP : 134.29.175.74 / Your IP : 216.73.216.160 Web Server : nginx/1.10.2 System : Windows NT CST-WEBSERVER 10.0 build 19045 (Windows 10) i586 User : Administrator ( 0) PHP Version : 7.1.0 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : C:/nginx/html/Student/JimMartinson/Lab12/drupal/core/lib/Drupal/Core/Render/Element/ |
Upload File : |
<?php
namespace Drupal\Core\Render\Element;
use Drupal\Core\Form\FormStateInterface;
/**
* Stores token data in a hidden form field.
*
* This is generally used to protect against cross-site forgeries. A token
* element is automatically added to each Drupal form by an implementation of
* \Drupal\Core\Form\FormBuilderInterface::prepareForm() so you don't generally
* have to add one yourself.
*
* @FormElement("token")
*/
class Token extends Hidden {
/**
* {@inheritdoc}
*/
public function getInfo() {
$class = get_class($this);
return [
'#input' => TRUE,
'#pre_render' => [
[$class, 'preRenderHidden'],
],
'#theme' => 'input__hidden',
];
}
/**
* {@inheritdoc}
*/
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
if ($input !== FALSE && $input !== NULL) {
// This should be a string, but allow other scalars since they might be
// valid input in programmatic form submissions.
return is_scalar($input) ? (string) $input : '';
}
return NULL;
}
}