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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 |
|---|---|
| 2707 | |
| 2708 | if ( $clean_taxonomy ) { |
| 2709 | wp_cache_delete('all_ids', $taxonomy); |
| 2710 | wp_cache_delete('get', $taxonomy); |
| 2711 | delete_option("{$taxonomy}_children"); |
| 2712 | // Regenerate {$taxonomy}_children |
| 2713 | _get_term_hierarchy($taxonomy); |
| 2714 | } |
| 2715 | |
| 2716 | do_action('clean_term_cache', $ids, $taxonomy); |
| 2717 | } |
| 2718 | |
| 2719 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 2720 | } |
| 2721 | |
| 2722 | /** |
| 2723 | * Retrieves the taxonomy relationship to the term object id. |
| 2724 | * |
| 2725 | * @package WordPress |