The description of the parameter is wrong

[Danil42Russia]

parse_option("runtime-config", required_argument, 2032, "JSON file path that will be available at runtime as 'mixed' via 'kphp_runtime_config()");

Why kphp_runtime_config? As a result, we chose kphp_get_runtime_config :c

See https://github.com/VKCOM/kphp/pull/667