Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for web-db.cwszvyl8uzql.ap-southeast-2.rds.amazonaws.com failed: nodename nor servname provided, or not known in /Library/WebServer/Documents/project/login.php on line 8

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for web-db.cwszvyl8uzql.ap-southeast-2.rds.amazonaws.com failed: nodename nor servname provided, or not known in /Library/WebServer/Documents/project/login.php:8 Stack trace: #0 /Library/WebServer/Documents/project/login.php(8): mysqli->__construct('web-db.cwszvyl8...', 'admin', '12345678', 'user_db') #1 {main} thrown in /Library/WebServer/Documents/project/login.php on line 8