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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 |
|---|---|
| 3027 | wp_cache_delete( $id, 'comment' ); |
| 3028 | |
| 3029 | /** |
| 3030 | * Fires immediately after a comment has been removed from the object cache. |
| 3031 | * |
| 3032 | * @since 4.5.0 |
| 3033 | * |
| 3034 | * @param int $id Comment ID. |
| 3035 | */ |
| 3036 | do_action( 'clean_comment_cache', $id ); |
| 3037 | } |
| 3038 | |
| 3039 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 3040 | } |
| 3041 | |
| 3042 | /** |
| 3043 | * Updates the comment cache of given comments. |
| 3044 | * |
| 3045 | * Will add the comments in $comments to the cache. If comment ID already exists |