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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 |
|---|---|
| 3450 | * Fires once after each taxonomy's term cache has been cleaned. |
| 3451 | * |
| 3452 | * @since 2.5.0 |
| 3453 | * @since 4.5.0 Added the `$clean_taxonomy` parameter. |
| 3454 | * |
| 3455 | * @param array $ids An array of term IDs. |
| 3456 | * @param string $taxonomy Taxonomy slug. |
| 3457 | * @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches |
| 3458 | */ |
| 3459 | do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy ); |
| 3460 | } |
| 3461 | |
| 3462 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 3463 | } |
| 3464 | |
| 3465 | /** |
| 3466 | * Clean the caches for a taxonomy. |
| 3467 | * |
| 3468 | * @since 4.9.0 |