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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3615 | /** |
| 3616 | * Filters the persistent object cache services available to the user. |
| 3617 | * |
| 3618 | * This can be useful to hide or add services not included in the defaults. |
| 3619 | * |
| 3620 | * @since 6.1.0 |
| 3621 | * |
| 3622 | * @param string[] $services The list of available persistent object cache services. |
| 3623 | */ |
| 3624 | return apply_filters( 'site_status_available_object_cache_services', $services ); |
| 3625 | } |
| 3626 | } |
| 3627 | |