function _menu_clear_page_cache

Clears the page and block caches at most twice per page load.

Related topics

File

includes/menu.inc, line 3389

Code

function _menu_clear_page_cache() {
    $cache_cleared =& drupal_static(__FUNCTION__, 0);
    // Clear the page and block caches, but at most twice, including at
    //  the end of the page load when there are multiple links saved or deleted.
    if ($cache_cleared == 0) {
        cache_clear_all();
        // Keep track of which menus have expanded items.
        _menu_set_expanded_menus();
        $cache_cleared = 1;
    }
    elseif ($cache_cleared == 1) {
        drupal_register_shutdown_function('cache_clear_all');
        // Keep track of which menus have expanded items.
        drupal_register_shutdown_function('_menu_set_expanded_menus');
        $cache_cleared = 2;
    }
}