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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 |
|---|---|
| 2775 | |
| 2776 | if ( $clean_taxonomy ) { |
| 2777 | wp_cache_delete('all_ids', $taxonomy); |
| 2778 | wp_cache_delete('get', $taxonomy); |
| 2779 | delete_option("{$taxonomy}_children"); |
| 2780 | // Regenerate {$taxonomy}_children |
| 2781 | _get_term_hierarchy($taxonomy); |
| 2782 | } |
| 2783 | |
| 2784 | do_action('clean_term_cache', $ids, $taxonomy); |
| 2785 | } |
| 2786 | |
| 2787 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 2788 | } |
| 2789 | |
| 2790 | /** |
| 2791 | * Retrieves the taxonomy relationship to the term object id. |
| 2792 | * |
| 2793 | * @package WordPress |