vnsavage

It's used by the PHP libevent PECL extension (and I assume other big projects). So that means it's currently broken with the 2.1 versions of libevent as backwards compatibility is...

Quite the coincidence indeed, switching to poll() sounds good 👍

Thanks! I have two suggestions on this: 1) The new configurable comment says "If not zero, will set stale-if-error extension for Cache-Control (e.g. for Squid)", which is a mismatch with...

You are correct - that change doesn't do anything without a bug fix on the PHP side which we have on WP.com/WP.org. There is a pull requests pending here: https://github.com/php/php-src/pull/9532

This proposed change doesn't really implement everything that mysqli_ping() does, which we rely upon - `Pings a server connection, or tries to reconnect if the connection has gone down` -...