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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 |
|---|---|
| 56 | do_action( 'comment_on_trash', $comment_post_ID ); |
| 57 | exit; |
| 58 | } elseif ( ! $status_obj->public && ! $status_obj->private ) { |
| 59 | /** |
| 60 | * Fires when a comment is attempted on a post in draft mode. |
| 61 | * |
| 62 | * @since unknown |
| 63 | * @param int $comment_post_ID Post ID. |
| 64 | */ |
| 65 | do_action( 'comment_on_draft', $comment_post_ID ); |
| 66 | exit; |
| 67 | } elseif ( post_password_required( $comment_post_ID ) ) { |
| 68 | /** |
| 69 | * Fires when a comment is attempted on a password-protected post. |
| 70 | * |
| 71 | * @since unknown |
| 72 | * @param int $comment_post_ID Post ID. |
| 73 | */ |
| 74 | do_action( 'comment_on_password_protected', $comment_post_ID ); |