Files
wordpress/wp-includes
Sergey Biryukov 962607928e Tests: Add more test cases 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. To avoid potential compatibility issues or key collisions, a string that becomes empty after `trim()` should not be considered a valid cache key.

Follow-up to [53818], [53821], [53822].

Props tillkruess.
See #56198.
Built from https://develop.svn.wordpress.org/trunk@53834


git-svn-id: http://core.svn.wordpress.org/trunk@53393 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-08-04 17:33:08 +00:00
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