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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 |
|---|---|
| 2569 | return false; |
| 2570 | |
| 2571 | /** |
| 2572 | * Fires before a post is sent to the trash. |
| 2573 | * |
| 2574 | * @since 3.3.0 |
| 2575 | * |
| 2576 | * @param int $post_id Post ID. |
| 2577 | */ |
| 2578 | do_action( 'wp_trash_post', $post_id ); |
| 2579 | |
| 2580 | add_post_meta($post_id,'_wp_trash_meta_status', $post['post_status']); |
| 2581 | add_post_meta($post_id,'_wp_trash_meta_time', time()); |
| 2582 | |
| 2583 | $post['post_status'] = 'trash'; |
| 2584 | wp_insert_post($post); |
| 2585 | |
| 2586 | wp_trash_post_comments($post_id); |
| 2587 | |