Description

See phpro/soap-client#416 for background.

It would be nice if HttpClient calculates a default request content-length header.

I think generally the more http details we provide, the better.

Another option/behavior could be to force re-calculate an existing content-length header as httplug does: https://github.com/php-http/curl-client/blob/2ed4245a817d859dd0c1d51c7078cdb343cf5233/src/Client.php#L346

But perhaps we should produce a log once we change the user value.

Example

No response