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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 |
|---|---|
| 2686 | } |
| 2687 | update_post_meta($post_ID, '_wp_page_template', $page_template); |
| 2688 | } |
| 2689 | |
| 2690 | wp_transition_post_status($data['post_status'], $previous_status, $post); |
| 2691 | |
| 2692 | if ( $update ) { |
| 2693 | do_action('edit_post', $post_ID, $post); |
| 2694 | $post_after = get_post($post_ID); |
| 2695 | do_action( 'post_updated', $post_ID, $post_after, $post_before); |
| 2696 | } |
| 2697 | |
| 2698 | do_action('save_post', $post_ID, $post); |
| 2699 | do_action('wp_insert_post', $post_ID, $post); |
| 2700 | |
| 2701 | return $post_ID; |
| 2702 | } |
| 2703 | |
| 2704 | /** |