Warning: mysqli_real_connect(): (28000/1045): Access denied for user 'premium_graphite'@'localhost' (using password: YES) in /home/v6u2ihn3ta8c/public_html/wp-includes/wp-db.php on line 1653 code example

Example: mysqli_real_connect(): (HY000/1698): Access denied for user 'root'@'localhost'

ALTER USER 'root'@'localhost' IDENTIFIED BY 'mysql';