Code Coverage for /Users/ericduran/Sites/drupal/drupal/core/lib/Drupal/Core/Render/Element/Token.php

1	<?php
2
3	/**
4	* @file
5	* Contains \Drupal\Core\Render\Element\Token.
6	*/
7
8	namespace Drupal\Core\Render\Element;
9
10	use Drupal\Core\Form\FormStateInterface;
11
12	/**
13	* Stores token data in a hidden form field.
14	*
15	* This is generally used to protect against cross-site forgeries. A token
16	* element is automatically added to each Drupal form by an implementation of
17	* \Drupal\Core\Form\FormBuilderInterface::prepareForm() so you don't generally
18	* have to add one yourself.
19	*
20	* @FormElement("token")
21	*/
22	class Token extends Hidden {
23
24	/**
25	* {@inheritdoc}
26	*/
27	public function getInfo() {
28	$class = get_class($this);
29	return array(
30	'#input' => TRUE,
31	'#pre_render' => array(
32	array($class, 'preRenderHidden'),
33	),
34	'#theme' => 'input__hidden',
35	);
36	}
37
38	/**
39	* {@inheritdoc}
40	*/
41	public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
42	if ($input !== FALSE && $input !== NULL) {
43	// This should be a string, but allow other scalars since they might be
44	// valid input in programmatic form submissions.
45	return is_scalar($input) ? (string) $input : '';
46	}
47	return NULL;
48	}
49
50	}