Warning: mysqli_connect(): (HY000/2002): No such file or directory in /var/www/html/index.php on line 35

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /var/www/html/index.php on line 39

Fatal error: Uncaught Error: Call to a member function fetch_array() on null in /var/www/html/index.php:40 Stack trace: #0 {main} thrown in /var/www/html/index.php on line 40