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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 |
|---|---|
| 2761 | wp_cache_delete( $id, 'comment' ); |
| 2762 | |
| 2763 | /** |
| 2764 | * Fires immediately after a comment has been removed from the object cache. |
| 2765 | * |
| 2766 | * @since 4.5.0 |
| 2767 | * |
| 2768 | * @param int $id Comment ID. |
| 2769 | */ |
| 2770 | do_action( 'clean_comment_cache', $id ); |
| 2771 | } |
| 2772 | |
| 2773 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 2774 | } |
| 2775 | |
| 2776 | /** |
| 2777 | * Updates the comment cache of given comments. |
| 2778 | * |
| 2779 | * Will add the comments in $comments to the cache. If comment ID already exists |