Same name and namespace in other branches

1. 11.x core/modules/system/src/Controller/ThemeController.php \Drupal\system\Controller\ThemeController::uninstall()
2. 10 core/modules/system/src/Controller/ThemeController.php \Drupal\system\Controller\ThemeController::uninstall()
3. 9 core/modules/system/src/Controller/ThemeController.php \Drupal\system\Controller\ThemeController::uninstall()
4. 8.9.x core/modules/system/src/Controller/ThemeController.php \Drupal\system\Controller\ThemeController::uninstall()

Uninstalls a theme.

Parameters

string $theme: The theme name.

Return value

\Symfony\Component\HttpFoundation\RedirectResponse Redirects back to the appearance admin page.

1 string reference to 'ThemeController::uninstall'

system.routing.yml in core/modules/system/system.routing.yml

core/modules/system/system.routing.yml

File

core/modules/system/src/Controller/ThemeController.php, line 70

Class

ThemeController

Controller for theme handling.

Namespace

Drupal\system\Controller

Code

public function uninstall(#[MapQueryParameter] string $theme) {
  $config = $this->config('system.theme');
  // Get current list of themes.
  $themes = $this->themeHandler
    ->listInfo();
  // Check if the specified theme is one recognized by the system.
  if (!empty($themes[$theme])) {
    // Do not uninstall the default or admin theme.
    if ($theme === $config->get('default') || $theme === $config->get('admin')) {
      $this->messenger()
        ->addError($this->t('%theme is the default theme and cannot be uninstalled.', [
        '%theme' => $themes[$theme]->info['name'],
      ]));
    }
    else {
      $this->themeInstaller
        ->uninstall([
        $theme,
      ]);
      $this->messenger()
        ->addStatus($this->t('The %theme theme has been uninstalled.', [
        '%theme' => $themes[$theme]->info['name'],
      ]));
    }
  }
  else {
    $this->messenger()
      ->addError($this->t('The %theme theme was not found.', [
      '%theme' => $theme,
    ]));
  }
  return $this->redirect('system.themes_page');
}

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