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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 |
|---|---|
| 7346 | wp_cache_delete( 'all_page_ids', 'posts' ); |
| 7347 | |
| 7348 | /** |
| 7349 | * Fires immediately after the given page's cache is cleaned. |
| 7350 | * |
| 7351 | * @since 2.5.0 |
| 7352 | * |
| 7353 | * @param int $post_id Post ID. |
| 7354 | */ |
| 7355 | do_action( 'clean_page_cache', $post->ID ); |
| 7356 | } |
| 7357 | |
| 7358 | wp_cache_set( 'last_changed', microtime(), 'posts' ); |
| 7359 | } |
| 7360 | |
| 7361 | /** |
| 7362 | * Updates post, term, and metadata caches for a list of post objects. |
| 7363 | * |
| 7364 | * @since 1.5.0 |