Warning: include(./common.php): Failed to open stream: No such file or directory in /htdocs/app.php on line 23

Warning: include(./common.php): Failed to open stream: No such file or directory in /htdocs/app.php on line 23

Warning: include(): Failed opening './common.php' for inclusion (include_path='.:/usr/share/php') in /htdocs/app.php on line 23

Warning: Undefined variable $user in /htdocs/app.php on line 26

Fatal error: Uncaught Error: Call to a member function session_begin() on null in /htdocs/app.php:26 Stack trace: #0 {main} thrown in /htdocs/app.php on line 26