[wp-trac] [WordPress Trac] #56605: Reconsider wp_cache_supports_group_flush implementation

[WordPress Trac]

#56605: Reconsider wp_cache_supports_group_flush implementation
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 Reporter:  johnjamesjacoby                      |       Owner:  tillkruess
     Type:  defect (bug)                         |      Status:  closed
 Priority:  normal                               |   Milestone:  6.1
Component:  Cache API                            |     Version:  trunk
 Severity:  normal                               |  Resolution:  fixed
 Keywords:  2nd-opinion changes-requested has-   |     Focuses:
  patch has-unit-tests add-to-field-guide        |
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Changes (by SergeyBiryukov):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"54448" 54448]:
 {{{
 #!CommitTicketReference repository="" revision="54448"
 Cache API: Introduce `wp_cache_supports()` function.

 WordPress has recently introduced a variety of caching API improvements:

 * `wp_cache_add_multiple()`
 * `wp_cache_set_multiple()`
 * `wp_cache_get_multiple()`
 * `wp_cache_delete_multiple()`
 * `wp_cache_flush_runtime()`
 * `wp_cache_flush_group()`

 Although WordPress core provides a compatibility layer if these functions
 are missing from third-party object cache implementations, there should be
 a method of checking whether the cache backend supports a particular
 feature.

 This commit aims to improve developer experience by allowing third-party
 object cache plugins to declare a `wp_cache_supports()` function and
 correctly list their supported features:

 * `add_multiple`
 * `set_multiple`
 * `get_multiple`
 * `delete_multiple`
 * `flush_runtime`
 * `flush_group`

 Note: The `wp_cache_supports()` function replaces and supersedes the
 `wp_cache_supports_group_flush()` function added earlier.

 Follow-up to [47938], [47944], [52700], [52703], [52706], [52708],
 [53763], [53767], [54423].

 Props johnjamesjacoby, tillkruess, spacedmonkey, SergeyBiryukov.
 Fixes #56605.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/56605#comment:12>
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