public function Theme::isInstalled in Drupal 10

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Updater/Theme.php \Drupal\Core\Updater\Theme::isInstalled()
2. 9 core/lib/Drupal/Core/Updater/Theme.php \Drupal\Core\Updater\Theme::isInstalled()

File

core/lib/Drupal/Core/Updater/Theme.php, line 51

Class

Theme

Defines a class for updating themes using Drupal\Core\FileTransfer\FileTransfer classes via authorize.php.

Namespace

Drupal\Core\Updater

Code

public function isInstalled() {

  // Check if the theme exists in the file system, regardless of whether it
  // is enabled or not.
  $themes = \Drupal::state()
    ->get('system.theme.files', []);
  return isset($themes[$this->name]);
}