[dev] Reasonable PHP version requirements

[Patrice Levesque]

> While PHP 5.6 has a lot of useful things which we could not use back
> when Horde 5 came out, it's a dead horde.  Active upstream support for
> PHP 7.2 will end in 4 days (Dezember 2019), PHP 7.1 won't even receive
> security updates by then unless you buy an enterprise distribution.

Care must be taken with “active upstream support”; most GNU/Linux
distributions support older PHP releases for years after upstream has
lost interest:


- Debian 9 has PHP 7.0, EOL TBD
- (Latest Debian (10) was relased 2019/07 with PHP 7.3)


- RHEL 6 / CentOS 6 has PHP 5.3, EOL in 2020/11
- RHEL 7 / CentOS 7 has PHP 5.4, EOL in 2024/06
- (Latest CentOS (8) was released 2019/09 with PHP 7.2)


- SuSE 15.1 has PHP 7.2, EOL TBD and is the latest stable version


- Ubuntu 16.04 has PHP 7.0, EOL in 2021/04
- Ubuntu 18.04 has PHP 7.2, EOL in 2023/04 and is the latest LTS version


Using features available only in PHP > 7.2 pretty much means killing
most stock GNU/Linux Horde installations.  Sure, there are ways to get a
more recent PHP release outside of official distribution repositories,
but counting on that is a risky proposition IMHO.



-- 
· Patrice Levesque
· http://ptaff.ca/
· horde.wayne at ptaff.ca
--

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