re: Optimizing your PHP app speed VIEW POST

re: Namespacing became part of PHP in 5.3. My guess would be >= 5.3 . php.net/manual/en/language.namespa...

Anyway, if you're using anything less than 7.1 in 2019 you're doing something wrong :p

PHP 5.6 is discontinued but for practical purpose, PHP 5.6 is still alive and kicking so the community, projects, servers and so on. In fact, I have a project that uses php 5.2 and I can kill it neither upgrade. I can't upgrade because they don't pay me for it, and I can kill it because the customer is happy with it.

Legacy projects can be a pain in the ass that's why IBM is contributing to the 5.x branch of php to give developers and customers time to adapt and migrate, but EOL means it will no longer get security updates or fixes

Yes but most customers follow :

If it ain't broke, don't fix it.

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