Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for mysql-host failed: Temporary failure in name resolution in /var/www/html/test-db.php on line 11

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql-host failed: Temporary failure in name resolution in /var/www/html/test-db.php:11 Stack trace: #0 /var/www/html/test-db.php(11): mysqli->__construct('mysql-host', 'root', Object(SensitiveParameterValue)) #1 {main} thrown in /var/www/html/test-db.php on line 11