Re:Facebook, Instagram and Messenger were down
by cranekam on Thursday November 28, 2019 @02:14PM
(#21659557)
Facebook doesn't run vanilla PHP. It runs on Hack, a language developed from PHP that runs on HHVM, a JIT VM it developed:
https://engineering.fb.com/developer-tools/hack-a-new-progra...
Re:Facebook, Instagram and Messenger were down
by throwaway40324 on Thursday November 28, 2019 @02:56PM
(#21659803)
Right, but up until after Hackv3.3, PHP code was supported, which support ended 9 days ago.
"HHVM v3.30 will be the last release series where HHVM aims to support PHP. The key dates are...
2019-11-19: expected end of support for v3.30"
https://hhvm.com/blog/2018/09/12/end-of-php-support-future-o...
Note: I really dont believe my above speculation is related, just thought it was an interesting coincidence, at best.
Just speculating..
Edit: that twitter thread is quite entertaining