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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 |
---|---|
7411 | wp_cache_delete( 'all_page_ids', 'posts' ); |
7412 |
|
7413 | /** |
7414 | * Fires immediately after the given page's cache is cleaned. |
7415 | * |
7416 | * @since 2.5.0 |
7417 | * |
7418 | * @param int $post_id Post ID. |
7419 | */ |
7420 | do_action( 'clean_page_cache', $post->ID ); |
7421 | } |
7422 |
|
7423 | wp_cache_set( 'last_changed', microtime(), 'posts' ); |
7424 | } |
7425 |
|
7426 | /** |
7427 | * Call major cache updating functions for list of Post objects. |
7428 | * |
7429 | * @since 1.5.0 |