--TEST-- Bug #68063 (Empty session IDs do still start sessions) --SKIPIF-- <?php include('skipif.inc'); ?> --INI-- --FILE-- <?php // Could also be set with a cookie like "PHPSESSID=; path=/" session_id(''); // Will still start the session and return true var_dump(session_start()); // Returns an empty string var_dump(session_id()); ?> --EXPECTF-- Warning: session_start(): Cannot start session with empty session ID in %s on line %d bool(false) string(0) ""