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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 |
---|---|
2802 | } elseif ( 'trash' == $status ) { |
2803 |
|
2804 | /** |
2805 | * Fires when a comment is attempted on a trashed post. |
2806 | * |
2807 | * @since 2.9.0 |
2808 | * |
2809 | * @param int $comment_post_ID Post ID. |
2810 | */ |
2811 | do_action( 'comment_on_trash', $comment_post_ID ); |
2812 |
|
2813 | return new WP_Error( 'comment_on_trash' ); |
2814 |
|
2815 | } elseif ( ! $status_obj->public && ! $status_obj->private ) { |
2816 |
|
2817 | /** |
2818 | * Fires when a comment is attempted on a post in draft mode. |
2819 | * |
2820 | * @since 1.5.1 |