Sanitizes POST values from an input taxonomy metabox.

Update a blog details field.

Updates sites in cache.

Updates metadata for a site.

Updates metadata cache for list of site IDs.

Sets the last changed time for the ‘sites’ cache group.

Checks if the user needs to update PHP.

Aborts calls to site meta if it is not supported.

Unschedules all events attached to the hook with the specified arguments.

Register _wp_cron() to run on the {@see ‘wp_loaded’} action.