Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo for failed: No address associated with hostname in /var/www/html/connect.php on line 21

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for failed: No address associated with hostname in /var/www/html/connect.php:21 Stack trace: #0 /var/www/html/connect.php(21): mysqli->__construct(':', 'wordpress', Object(SensitiveParameterValue), 'ase') #1 /var/www/html/login.php(4): include('/var/www/html/c...') #2 {main} thrown in /var/www/html/connect.php on line 21