Warning: Trying to access array offset on false in /var/www/usonboard.com/grpc/src/php/tests/interop/metrics_client.php on line 21

Fatal error: Uncaught TypeError: socket_connect(): Argument #3 ($port) must be of type ?int, string given in /var/www/usonboard.com/grpc/src/php/tests/interop/metrics_client.php:26 Stack trace: #0 /var/www/usonboard.com/grpc/src/php/tests/interop/metrics_client.php(26): socket_connect() #1 {main} thrown in /var/www/usonboard.com/grpc/src/php/tests/interop/metrics_client.php on line 26