I have a WAMP 2.2 server running on a Windows 7 box and cannot get PHP error logging working at all.
The file is always blank even after I explicitly trigger USER_ER
Did you try adding these lines to your php file?
ini_set("display_errors", "1"); ini_set("log_errors", "1"); ini_set("error_log", "/wamp64/logs/php_error.log");