function menu_get_custom_theme

Gets the custom theme for the current page, if there is one.

Parameters

$initialize: This parameter should only be used internally; it is set to TRUE in order to force the custom theme to be initialized for the current page request.

Return value

The machine-readable name of the custom theme, if there is one.

See also

menu_set_custom_theme()

Related topics

File

drupal/core/includes/menu.inc, line 1714

API for the Drupal menu system.

Code

function menu_get_custom_theme($initialize = FALSE) {
  $custom_theme =& drupal_static(__FUNCTION__);

  // Skip this if the site is offline or being installed or updated, since the
  // menu system may not be correctly initialized then.
  if ($initialize && !_menu_site_is_offline(TRUE) && (!defined('MAINTENANCE_MODE') || MAINTENANCE_MODE != 'update' && MAINTENANCE_MODE != 'install')) {

    // First allow modules to dynamically set a custom theme for the current
    // page. Since we can only have one, the last module to return a valid
    // theme takes precedence.
    $custom_themes = array_filter(module_invoke_all('custom_theme'), 'drupal_theme_access');
    if (!empty($custom_themes)) {
      $custom_theme = array_pop($custom_themes);
    }

    // If there is a theme callback function for the current page, execute it.
    // If this returns a valid theme, it will override any theme that was set
    // by a hook_custom_theme() implementation above.
    $router_item = menu_get_item();
    if (!empty($router_item['access']) && !empty($router_item['theme_callback'])) {
      $theme_name = call_user_func_array($router_item['theme_callback'], $router_item['theme_arguments']);
      if (drupal_theme_access($theme_name)) {
        $custom_theme = $theme_name;
      }
    }
  }
  return $custom_theme;
}