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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 |
---|---|
2820 | } elseif ( ! $status_obj->public && ! $status_obj->private ) { |
2821 |
|
2822 | /** |
2823 | * Fires when a comment is attempted on a post in draft mode. |
2824 | * |
2825 | * @since 1.5.1 |
2826 | * |
2827 | * @param int $comment_post_ID Post ID. |
2828 | */ |
2829 | do_action( 'comment_on_draft', $comment_post_ID ); |
2830 |
|
2831 | return new WP_Error( 'comment_on_draft' ); |
2832 |
|
2833 | } elseif ( post_password_required( $comment_post_ID ) ) { |
2834 |
|
2835 | /** |
2836 | * Fires when a comment is attempted on a password-protected post. |
2837 | * |
2838 | * @since 2.9.0 |