_menu_clear_page_cache

Helper function to clear the page and block caches at most twice per page load.

Related topics

Menu system

Define the navigation menus, and route page requests to code based on URLs.

3 calls to _menu_clear_page_cache()

File

includes/menu.inc, line 2053

API for the Drupal menu system.

Code

function _menu_clear_page_cache() {
  static $cache_cleared = 0;

  // Clear the page and block caches, but at most twice, including at
//  the end of the page load when there are multple links saved or deleted.
  if (empty($cache_cleared)) {
    cache_clear_all();
    // Keep track of which menus have expanded items.
    _menu_set_expanded_menus();
    $cache_cleared = 1;
  }
  elseif ($cache_cleared == 1) {
    register_shutdown_function('cache_clear_all');
    // Keep track of which menus have expanded items.
    register_shutdown_function('_menu_set_expanded_menus');
    $cache_cleared = 2;
  }
}