function template_preprocess_page in Drupal 9

Same name and namespace in other branches

1. 8 core/includes/theme.inc \template_preprocess_page()
2. 6 includes/theme.inc \template_preprocess_page()
3. 7 includes/theme.inc \template_preprocess_page()

Prepares variables for the page template.

Default template: page.html.twig.

See the page.html.twig template for the list of variables.

1 call to template_preprocess_page()

template_preprocess_maintenance_page in core/includes/theme.inc

Prepares variables for maintenance page templates.

File

core/includes/theme.inc, line 1412

The theme system, which controls the output of Drupal.

Code

function template_preprocess_page(&$variables) {
  $language_interface = \Drupal::languageManager()
    ->getCurrentLanguage();
  foreach (\Drupal::theme()
    ->getActiveTheme()
    ->getRegions() as $region) {
    if (!isset($variables['page'][$region])) {
      $variables['page'][$region] = [];
    }
  }
  $variables['base_path'] = base_path();
  $variables['front_page'] = Url::fromRoute('<front>')
    ->toString();
  $variables['language'] = $language_interface;

  // An exception might be thrown.
  try {
    $variables['is_front'] = \Drupal::service('path.matcher')
      ->isFrontPage();
  } catch (Exception $e) {

    // If the database is not yet available, set default values for these
    // variables.
    $variables['is_front'] = FALSE;
    $variables['db_is_active'] = FALSE;
  }
  if ($node = \Drupal::routeMatch()
    ->getParameter('node')) {
    $variables['node'] = $node;
  }
}