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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 |
|---|---|
| 2575 | wp_cache_delete( $id, 'comment' ); |
| 2576 | |
| 2577 | /** |
| 2578 | * Fires immediately after a comment has been removed from the object cache. |
| 2579 | * |
| 2580 | * @since 4.5.0 |
| 2581 | * |
| 2582 | * @param int $id Comment ID. |
| 2583 | */ |
| 2584 | do_action( 'clean_comment_cache', $id ); |
| 2585 | } |
| 2586 | |
| 2587 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 2588 | } |
| 2589 | |
| 2590 | /** |
| 2591 | * Updates the comment cache of given comments. |
| 2592 | * |
| 2593 | * Will add the comments in $comments to the cache. If comment ID already exists |