On Mon, Aug 10, 2020 at 2:37 AM Nikita Popov <nikita....@gmail.com> wrote:
> On Mon, Aug 10, 2020 at 7:57 AM Philip Hofstetter < > phofstet...@sensational.ch> wrote: > > In many cases, I've been using the ZEND_ENGINE_3 define to handle the > > PHP 5/7 difference. > > > > Now, the Zend Engine version seems to have been increased to 4 > > I would recommend using PHP_VERSION_ID. > > I have no idea why we have the ZEND_ENGINE_3 constant, but it seems like a > pretty bad idea. Now that we are at ZE 4, should we drop that constant -- > and break all the code using it? Chances are that code guarded by > ZEND_ENGINE_3 is also needed on all versions of ZE going forward, not just > ZE 3 in particular. I think we should just leave teh ZEND_ENGINE_3 define > around, but make sure not to introduce a new one of that kind. > > I agree that ZEND_ENGINE_n was always a weird constant, and IIRC we had the 7.x series export both ZEND_ENGINE_2 and ZEND_ENGINE_3. Not sure. (and the fact I'm not sure is also telling). This is probably much more expressive: #if PHP_VERSION_ID >= 80000 If one *really* wants "Zend" versioning, you similarly could do: #if ZEND_EXTENSION_API_NO >= 400000000 How many version indicators do we need?