public function FormBuilder::renderFormTokenPlaceholder in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Form/FormBuilder.php \Drupal\Core\Form\FormBuilder::renderFormTokenPlaceholder()

Renders the form CSRF token. It's a #lazy_builder callback.

Parameters

string $placeholder: A string containing a placeholder, matching the value of the form's #token.

Return value

array A renderable array containing the CSRF token.

File

core/lib/Drupal/Core/Form/FormBuilder.php, line 669

Class

FormBuilder

Provides form building and processing.

Namespace

Drupal\Core\Form

Code

public function renderFormTokenPlaceholder($placeholder) {
  return [
    '#markup' => $this->csrfToken
      ->get($placeholder),
    '#cache' => [
      'contexts' => [
        'session',
      ],
    ],
  ];
}