“write() function in Cacheable class defines $ttl as *seconds* but it is actually *minutes*” – Issues – Discuss

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write() function in Cacheable class defines $ttl as seconds but it is actually minutes

A bug in 2.2.1, submitted by davidhund on 21 May 2011

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Closed#636: write() function in Cacheable class defines $ttl as seconds but it is actually minutes

- davidhund
- Comment #1
- 21 May 11, 1:19 am

The Cacheable Class in lib/core/class.cacheable.php has a write() function that accepts a $ttl parameter.

The documentation defines this as seconds (line 40-41). On line 64 the user input is actually multiplied by 60:

if($ttl > 0) $expiry = $creation + ($ttl * 60);

The result is that when we try to cache something for a day, as so:

$cache->write('foo', serialize($result), 3600 * 24);

.. the $ttl will be ((3600 * 24) * 60) and the content will be cached for sixty days instead of one... Or am I overlooking something silly?

- brendo
- Comment #2
- 21 May 11, 2:38 am

Nope it looks like your absolutely correct, the $ttl is minutes, not seconds. That'd be my mistake.

- brendo
- Comment #3
- 21 May 11, 2:02 pm

Fixed in this commit

- davidhund
- Comment #4
- 22 May 11, 12:38 am

Thanks.

Would it note be better to actually change it to (the more conventional?), seconds?

I understand a code change like this will have a direct impact on running sites, but my guess is that many others mistakenly believe the current cache to be in seconds.

This issue is closed.

Symphony.