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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
2648 |
|
2649 | wp_transition_post_status($data['post_status'], $previous_status, $post); |
2650 |
|
2651 | if ( $update ) { |
2652 | do_action('edit_post', $post_ID, $post); |
2653 | $post_after = get_post($post_ID); |
2654 | do_action( 'post_updated', $post_ID, $post_after, $post_before); |
2655 | } |
2656 |
|
2657 | do_action('save_post', $post_ID, $post); |
2658 | do_action('wp_insert_post', $post_ID, $post); |
2659 |
|
2660 | return $post_ID; |
2661 | } |
2662 |
|
2663 | /** |
2664 | * Update a post with new post data. |
2665 | * |
2666 | * The date does not have to be set for drafts. You can set the date and it will |
Line | Code |
2740 | wp_transition_post_status('publish', $old_status, $post); |
2741 |
|
2742 | // Update counts for the post's terms. |
2743 | foreach ( (array) get_object_taxonomies('post') as $taxonomy ) { |
2744 | $tt_ids = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'tt_ids')); |
2745 | wp_update_term_count($tt_ids, $taxonomy); |
2746 | } |
2747 |
|
2748 | do_action('edit_post', $post_id, $post); |
2749 | do_action('save_post', $post_id, $post); |
2750 | do_action('wp_insert_post', $post_id, $post); |
2751 | } |
2752 |
|
2753 | /** |
2754 | * Publish future post and make sure post ID has future post status. |
2755 | * |
2756 | * Invoked by cron 'publish_future_post' event. This safeguard prevents cron |
2757 | * from publishing drafts, etc. |
2758 | * |