> Except for http\Client::DEBUG_INFO, which always occurs separately, the debug
> callback's $type argument contains a bitmask of (http\Client::DEBUG_IN or http\Client::DEBUG_OUT)
> and (http\Client::DEBUG_HEADER or http\Client::DEBUG_BODY or http\Client::DEBUG_SSL).
> Except for http\Client::DEBUG_INFO, which always occurs separately, the debug
> callback's $type argument contains a bitmask of (http\Client::DEBUG_IN or http\Client::DEBUG_OUT)
> and (http\Client::DEBUG_HEADER or http\Client::DEBUG_BODY or http\Client::DEBUG_SSL).