2014/03/03 14:29:25 [error] 27932#0: *11430953 FastCGI sent in stderr: "PHP message: PHP Strict Standards: Only variables should be passed by reference in /www/api/uc.php on line 52" while reading response header from upstream, client: 127.0.0.1, request: "GET /api/uc.php?code=66ecb50jKPG2krKbsgCjggtrBhkz2NZtnJbBqqFtI HTTP/1.0"