Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: NO) in /var/www/html/web/it5/lec1/itog.php:7 Stack trace: #0 /var/www/html/web/it5/lec1/itog.php(7): mysqli_connect() #1 {main} thrown in /var/www/html/web/it5/lec1/itog.php on line 7