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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 |
|---|---|
| 2791 | |
| 2792 | if ( $clean_taxonomy ) { |
| 2793 | wp_cache_delete('all_ids', $taxonomy); |
| 2794 | wp_cache_delete('get', $taxonomy); |
| 2795 | delete_option("{$taxonomy}_children"); |
| 2796 | // Regenerate {$taxonomy}_children |
| 2797 | _get_term_hierarchy($taxonomy); |
| 2798 | } |
| 2799 | |
| 2800 | do_action('clean_term_cache', $ids, $taxonomy); |
| 2801 | } |
| 2802 | |
| 2803 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 2804 | } |
| 2805 | |
| 2806 | /** |
| 2807 | * Retrieves the taxonomy relationship to the term object id. |
| 2808 | * |
| 2809 | * @package WordPress |