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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 |
|---|---|
| 2591 | |
| 2592 | if ( $clean_taxonomy ) { |
| 2593 | wp_cache_delete('all_ids', $taxonomy); |
| 2594 | wp_cache_delete('get', $taxonomy); |
| 2595 | delete_option("{$taxonomy}_children"); |
| 2596 | // Regenerate {$taxonomy}_children |
| 2597 | _get_term_hierarchy($taxonomy); |
| 2598 | } |
| 2599 | |
| 2600 | do_action('clean_term_cache', $ids, $taxonomy); |
| 2601 | } |
| 2602 | |
| 2603 | wp_cache_set('last_changed', time(), 'terms'); |
| 2604 | } |
| 2605 | |
| 2606 | /** |
| 2607 | * Retrieves the taxonomy relationship to the term object id. |
| 2608 | * |
| 2609 | * @package WordPress |