Sergey Biryukov 8a5e1aa0b3 Upgrade/Install: Correct the weekly cron event for clearing the temp-backup directory: ...

* Make sure the `wp_delete_temp_updater_backups` event has an action associated with it when it runs.
* Check if the cron event already exists before scheduling it, to avoid scheduling duplicate events. 
* Move the code for clearing the `temp-backup` directory to a standalone function.

Follow-up to [51815], [51898], [51899].

Props pbiron, johnbillion.
See #51857.
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git-svn-id: http://core.svn.wordpress.org/trunk@51784 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2021-11-16 22:19:59 +00:00

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