I see you some wrong configuration about the mysqli connection:
Warning: mysqli::mysqli() [mysqli.mysqli]: (28000/1045): Access denied for user 'a3865158'@'localhost' (using password: NO) in /home/a3860058/public_html/index.php on line 67 Free Web Hosting Connection failed: Access denied for user 'a3860058'@'localhost' (using password: NO)
Yeah I was looking at the code for that but I wanted to fix registration first which still does not work