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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 |
---|---|
3680 | * |
3681 | * The dynamic portions of the hook name, $new_status and $post->post_type, |
3682 | * refer to the new post status and post type, respectively. |
3683 | * |
3684 | * @since 2.3.0 |
3685 | * |
3686 | * @param int $post_id Post ID. |
3687 | * @param WP_Post $post Post object. |
3688 | */ |
3689 | do_action( "{$new_status}_{$post->post_type}", $post->ID, $post ); |
3690 | } |
3691 |
|
3692 | // |
3693 | // Trackback and ping functions |
3694 | // |
3695 |
|
3696 | /** |
3697 | * Add a URL to those already pung. |
3698 | * |