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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 |
---|---|
3258 | } elseif ( 'trash' == $status ) { |
3259 |
|
3260 | /** |
3261 | * Fires when a comment is attempted on a trashed post. |
3262 | * |
3263 | * @since 2.9.0 |
3264 | * |
3265 | * @param int $comment_post_ID Post ID. |
3266 | */ |
3267 | do_action( 'comment_on_trash', $comment_post_ID ); |
3268 |
|
3269 | return new WP_Error( 'comment_on_trash' ); |
3270 |
|
3271 | } elseif ( ! $status_obj->public && ! $status_obj->private ) { |
3272 |
|
3273 | /** |
3274 | * Fires when a comment is attempted on a post in draft mode. |
3275 | * |
3276 | * @since 1.5.1 |