# Connect to the database
db_connect(WFPL_DB, WFPL_DB_USER, WFPL_DB_PASS);
+
+# upgrade db (only) on special trigger (assures only one upgrade at a time)
+if (isset($_SERVER['HTTP_X_UPGRADE_DB_NOW'])) {
+ require_once(DOCROOT . 'inc/db_upgrade.php');
+ db_upgrade();
+}