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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 |
|---|---|
| 2669 | */ |
| 2670 | function clean_post_cache($id) { |
| 2671 | wp_cache_delete($id, 'posts'); |
| 2672 | wp_cache_delete($id, 'post_meta'); |
| 2673 | |
| 2674 | clean_object_term_cache($id, 'post'); |
| 2675 | |
| 2676 | wp_cache_delete( 'wp_get_archives', 'general' ); |
| 2677 | |
| 2678 | do_action('clean_post_cache', $id); |
| 2679 | } |
| 2680 | |
| 2681 | /** |
| 2682 | * update_page_cache() - Alias of update_post_cache() |
| 2683 | * |
| 2684 | * @see update_post_cache() Posts and pages are the same, alias is intentional |
| 2685 | * |
| 2686 | * @package WordPress |
| 2687 | * @subpackage Cache |