Scott Taylor 0d58d32462 Cache get_term_by() calls:
* Add a helper function, `wp_get_last_changed()`, to retrieve a last-modified timestamp by cache group
* When caching a term, also make cache entries for slug and name via `slug:{$term_id}` and `name:{$term_id}` keys in the `$taxonomy:$last_changed` bucket that reference the term_id
* In `clean_term_cache()` and `update_term_cache()`, respect `$_wp_suspend_cache_invalidation`
* Original term cache entries maintain BC

Adds unit tests.

Props wonderboymusic, tollmanz, boonebgorges.
Fixes #21760.


git-svn-id: https://develop.svn.wordpress.org/trunk@29915 602fd350-edb4-49c9-b593-d223f7449a82
2014-10-16 04:44:13 +00:00
2014-10-16 04:44:13 +00:00
2014-10-16 04:44:13 +00:00
2014-08-21 02:53:16 +00:00
2014-10-14 19:47:11 +00:00
2014-09-05 19:44:38 +00:00
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