[wp-trac] [WordPress Trac] #56198: Check cache key type

[WordPress Trac]

#56198: Check cache key type
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 Reporter:  tillkruess   |       Owner:  SergeyBiryukov
     Type:  enhancement  |      Status:  closed
 Priority:  normal       |   Milestone:  6.1
Component:  Cache API    |     Version:  trunk
 Severity:  normal       |  Resolution:  fixed
 Keywords:  has-patch    |     Focuses:  performance
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Comment (by SergeyBiryukov):

 In [changeset:"53821" 53821]:
 {{{
 #!CommitTicketReference repository="" revision="53821"
 Tests: Add a unit test for `WP_Object_Cache::is_valid_key()`.

 A valid cache key for `wp_cache_*()` functions must be either an integer
 number or a non-empty string.

 Follow-up to [53818].

 See #56198.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/56198#comment:22>
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