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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 |
|---|---|
| 3290 | |
| 3291 | /** |
| 3292 | * Fires once after each taxonomy's term cache has been cleaned. |
| 3293 | * |
| 3294 | * @since 2.5.0 |
| 3295 | * |
| 3296 | * @param array $ids An array of term IDs. |
| 3297 | * @param string $taxonomy Taxonomy slug. |
| 3298 | */ |
| 3299 | do_action( 'clean_term_cache', $ids, $taxonomy ); |
| 3300 | } |
| 3301 | |
| 3302 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 3303 | } |
| 3304 | |
| 3305 | /** |
| 3306 | * Retrieves the taxonomy relationship to the term object id. |
| 3307 | * |
| 3308 | * @since 2.3.0 |