Pascal Birchler 4d37fc7865 I18N: Cache list of language file paths in WP_Textdomain_Registry. ...

Loading a list of language file paths using `glob()` can be expensive if involving thousands of files.

Expands scope of `WP_Textdomain_Registry` to cache list of language file paths in object cache and provides a way to invalidate that cache upon translation updates. Plugins can clear the cache using calls such as `wp_cache_delete( 'cached_mo_files_' . md5( $path ), 'translations' );`

Props mreishus, swissspidy
Fixes #58919
Built from https://develop.svn.wordpress.org/trunk@57287


git-svn-id: http://core.svn.wordpress.org/trunk@56793 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2024-01-15 19:05:14 +00:00

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