This was carried over from PSR-6 tbh, and my understanding is that "an
Implementing Library MAY use a configured default duration" means you
can very well treat null as "do not expire ever".
If you read the symfony cache docs for example [1], it shows that by
default they treat it that way, and I'd expect others do that too but I
havent' researched in depth.
As such I am ok leaving it as is because the common-sense
implementations will do it right, and it doesn't warrant breaking away
from PSR-6 IMO.
Cheers
[1]
https://symfony.com/doc/current/components/cache/cache_items.html#cache-item-expiration
On 16/11/2016 17:03, Andrew Carter wrote:
Good work.
One thing that always bothered me from a user perspective was not being
able to put an item in the cache that doesn't expire (different from a
default expiration time). Having to create times really far in advance
is messy, and you never know if you're going to run into 2038 bugs etc.
It's also quite common to have an entry that you don't want to expire,
because you'll invalidate it yourself or wait for the cache to drop it
when it's full.
For me, saying that a NULL ttl means some default value somewhere is a
waste of a feature. If I wanted a default value, my code can (and
should) explicitly take care of that. I think documenting NULL to mean
"This item doesn't expire. If the cache driver doesn't not support items
that do not expire, the ttl will be set to the maximum possible."
Cheers,
Andrew
On Wednesday, November 16, 2016 at 2:22:20 PM UTC, Jordi Boggiano wrote:
Heya,
We believe PSR-16, Simple Cache, is now ready for final review. As
coordinator, I hereby open the mandatory review period prior to a
formal
acceptance vote; voting will begin no earlier than December 1st, 2016.
Here are links to the most current version and its meta document:
https://github.com/php-fig/fig-standards/blob/1cf169c66747640c6bc7fb5097d84fbafcd00a0c/proposed/simplecache.md
<https://github.com/php-fig/fig-standards/blob/1cf169c66747640c6bc7fb5097d84fbafcd00a0c/proposed/simplecache.md>
https://github.com/php-fig/fig-standards/blob/1cf169c66747640c6bc7fb5097d84fbafcd00a0c/proposed/simplecache-meta.md
<https://github.com/php-fig/fig-standards/blob/1cf169c66747640c6bc7fb5097d84fbafcd00a0c/proposed/simplecache-meta.md>
The package containing the interfaces is there:
https://github.com/php-fig/simplecache
<https://github.com/php-fig/simplecache>
The latest important changes to the interfaces can be found at:
https://github.com/php-fig/simplecache/releases/tag/0.2.0
<https://github.com/php-fig/simplecache/releases/tag/0.2.0>
And FWIW, Scrapbook already provides a PSR-16 implementation in its
upcoming release:
https://github.com/matthiasmullie/scrapbook/blob/master/src/Psr16/SimpleCache.php
<https://github.com/matthiasmullie/scrapbook/blob/master/src/Psr16/SimpleCache.php>
Thanks for your time reviewing!
Cheers
--
Jordi Boggiano
@seldaek - http://seld.be
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