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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 |
|---|---|
| 2798 | wp_cache_delete( $id, 'comment' ); |
| 2799 | |
| 2800 | /** |
| 2801 | * Fires immediately after a comment has been removed from the object cache. |
| 2802 | * |
| 2803 | * @since 4.5.0 |
| 2804 | * |
| 2805 | * @param int $id Comment ID. |
| 2806 | */ |
| 2807 | do_action( 'clean_comment_cache', $id ); |
| 2808 | } |
| 2809 | |
| 2810 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 2811 | } |
| 2812 | |
| 2813 | /** |
| 2814 | * Updates the comment cache of given comments. |
| 2815 | * |
| 2816 | * Will add the comments in $comments to the cache. If comment ID already exists |