Ensure Xdebug 3 compatibility

[sebastianfeldmann]

In version 3 of Xdebug the function xdebug_disable got removed
so in order to support version 2 and 3 we have to make sure the
function exists before calling it.

[theseer]

Nice catch.

Do you happen to know if there's anything alternatively to do for xdebubg 3 instead?

The main point of calling xdebug_disable is (or was) to avoid the performance penalty having it enabled has. As far as I remember, one of the main points of xdebug 3 is to have almost zero performance impact when not in use.

[sebastianfeldmann]

Yes Derick said it is no longer necessary and so he removed the functionality because if you do not used any Xdebug functionality you will not see any performance impact in version 3.

[derickr]

You'll see some performance impact as nothing comes for free! But it should be negligible. Benchmarks welcome :-)

[theseer]

Thanks for the heads up, @derickr 👍

[sebastianfeldmann]

As soon as @theseer releases the new version I will do some tests comparing phive 0.14.4 and the latest Xdebug 2.x with phive 0.14.5 and the latest Xdebug 3 beta