Warning: include(include/header.php): failed to open stream: No such file or directory in /home/artex/public_html/index.php on line 3

Warning: include(): Failed opening 'include/header.php' for inclusion (include_path='.:/usr/local/lib/php') in /home/artex/public_html/index.php on line 3

Notice: Undefined variable: user_id in /home/artex/public_html/index.php on line 5

Notice: Undefined variable: db in /home/artex/public_html/index.php on line 6

Fatal error: Uncaught Error: Call to a member function select() on null in /home/artex/public_html/index.php:6 Stack trace: #0 {main} thrown in /home/artex/public_html/index.php on line 6