Warning: include_once(/var/www/db.php): Failed to open stream: No such file or directory in /var/www/hottg/function.php on line 4

Warning: include_once(): Failed opening 'db.php' for inclusion (include_path='.:/usr/share/php') in /var/www/hottg/function.php on line 4

Fatal error: Uncaught Error: Call to undefined function db() in /var/www/hottg/function.php:212 Stack trace: #0 /var/www/hottg/post.php(81): select() #1 /var/www/hottg/route.php(63): include_once('...') #2 {main} thrown in /var/www/hottg/function.php on line 212