Warning: mysqli_connect(): (HY000/1045): Access denied for user 'alex'@'localhost' (using password: YES) in /home/www/client/www/CPT099/paiement/includes/classes/class.database.php on line 19

Warning: mysqli_query() expects parameter 1 to be mysqli, bool given in /home/www/client/www/CPT099/paiement/includes/classes/class.database.php on line 22
Unable to connect to database server!