function wpas_system_tools()
{
    if (!isset($_GET['tool']) || !isset($_GET['_nonce'])) {
        return false;
    }
    if (!wp_verify_nonce($_GET['_nonce'], 'system_tool')) {
        return false;
    }
    switch (sanitize_text_field($_GET['tool'])) {
        /* Clear all tickets metas */
        case 'tickets_metas':
            wpas_clear_tickets_metas();
            break;
        case 'agents_metas':
            wpas_clear_agents_metas();
            break;
        case 'clear_taxonomies':
            wpas_clear_taxonomies();
            break;
        case 'resync_products':
            wpas_delete_synced_products(true);
            break;
        case 'delete_products':
            wpas_delete_synced_products();
            break;
    }
    /* Redirect in "read-only" mode */
    $url = add_query_arg(array('post_type' => 'ticket', 'page' => 'wpas-status', 'tab' => 'tools', 'done' => sanitize_text_field($_GET['tool'])), admin_url('edit.php'));
    wp_redirect(wp_sanitize_redirect($url));
    exit;
}
/**
 * Upgrade routine for 3.2.8
 *
 * @since 3.2.8
 * @return void
 */
function wpas_upgrade_328()
{
    // Clear agents metas in order to apply the fix for incorrect open tickets counts
    if (function_exists('wpas_clear_agents_metas')) {
        wpas_clear_agents_metas();
    }
}