Could not connect to database. Did you delete the `homestead` user or change it's password?

PDOException: SQLSTATE[HY000] [1045] Access denied for user 'homestead'@'localhost' (using password: YES) in /var/www/html/samples/index.php:4 Stack trace: #0 /var/www/html/samples/index.php(4): PDO->__construct() #1 {main}