Menu callback; Disables a theme.

File

drupal-7.x/modules/system/system.admin.inc, line 318

Admin page callbacks for the system module.

Code

function system_theme_disable() {
  if (isset($_REQUEST['theme']) && isset($_REQUEST['token']) && drupal_valid_token($_REQUEST['token'], 'system-theme-operation-link')) {
    $theme = $_REQUEST['theme'];
    // Get current list of themes.
    $themes = list_themes();

    // Check if the specified theme is one recognized by the system.
    if (!empty($themes[$theme])) {
      if ($theme == variable_get('theme_default', 'bartik')) {
        // Don't disable the default theme.
        drupal_set_message(t('%theme is the default theme and cannot be disabled.', array('%theme' => $themes[$theme]->info['name'])), 'error');
      }
      else {
        theme_disable(array($theme));
        drupal_set_message(t('The %theme theme has been disabled.', array('%theme' => $themes[$theme]->info['name'])));
      }
    }
    else {
      drupal_set_message(t('The %theme theme was not found.', array('%theme' => $theme)), 'error');
    }
    drupal_goto('admin/appearance');
  }
  return MENU_ACCESS_DENIED;
}