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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 |
|---|---|
| 3273 | wp_cache_delete_multiple( $comment_ids, 'comment' ); |
| 3274 | foreach ( $comment_ids as $id ) { |
| 3275 | /** |
| 3276 | * Fires immediately after a comment has been removed from the object cache. |
| 3277 | * |
| 3278 | * @since 4.5.0 |
| 3279 | * |
| 3280 | * @param int $id Comment ID. |
| 3281 | */ |
| 3282 | do_action( 'clean_comment_cache', $id ); |
| 3283 | } |
| 3284 | |
| 3285 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 3286 | } |
| 3287 | |
| 3288 | /** |
| 3289 | * Updates the comment cache of given comments. |
| 3290 | * |
| 3291 | * Will add the comments in $comments to the cache. If comment ID already exists |