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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 |
|---|---|
| 2539 | |
| 2540 | if ( $clean_taxonomy ) { |
| 2541 | wp_cache_delete('all_ids', $taxonomy); |
| 2542 | wp_cache_delete('get', $taxonomy); |
| 2543 | delete_option("{$taxonomy}_children"); |
| 2544 | // Regenerate {$taxonomy}_children |
| 2545 | _get_term_hierarchy($taxonomy); |
| 2546 | } |
| 2547 | |
| 2548 | do_action('clean_term_cache', $ids, $taxonomy); |
| 2549 | } |
| 2550 | |
| 2551 | wp_cache_set('last_changed', time(), 'terms'); |
| 2552 | } |
| 2553 | |
| 2554 | |
| 2555 | /** |
| 2556 | * Retrieves the taxonomy relationship to the term object id. |
| 2557 | * |