Warning: mysqli_connect(): (HY000/1698): Access denied for user 'root'@'localhost' in /var/www/ellga/db.php on line 6

Fatal error: Uncaught Error: Call to undefined function mysql_error() in /var/www/ellga/db.php:8 Stack trace: #0 /var/www/ellga/test.php(6): require_once() #1 {main} thrown in /var/www/ellga/db.php on line 8