Warning: include(db.php): Failed to open stream: No such file or directory in /home/adanavia/public_html/OLD/test/lessons.php on line 2

Warning: include(db.php): Failed to open stream: No such file or directory in /home/adanavia/public_html/OLD/test/lessons.php on line 2

Warning: include(): Failed opening 'db.php' for inclusion (include_path='.:/opt/alt/php83/usr/share/pear:/opt/alt/php83/usr/share/php:/usr/share/pear:/usr/share/php') in /home/adanavia/public_html/OLD/test/lessons.php on line 2

Warning: Undefined variable $conn in /home/adanavia/public_html/OLD/test/lessons.php on line 14

Fatal error: Uncaught Error: Call to a member function query() on null in /home/adanavia/public_html/OLD/test/lessons.php:14 Stack trace: #0 {main} thrown in /home/adanavia/public_html/OLD/test/lessons.php on line 14