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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 |
---|---|
2736 | return false; |
2737 |
|
2738 | /** |
2739 | * Fires before a post is sent to the trash. |
2740 | * |
2741 | * @since 3.3.0 |
2742 | * |
2743 | * @param int $post_id Post ID. |
2744 | */ |
2745 | do_action( 'wp_trash_post', $post_id ); |
2746 |
|
2747 | add_post_meta($post_id,'_wp_trash_meta_status', $post['post_status']); |
2748 | add_post_meta($post_id,'_wp_trash_meta_time', time()); |
2749 |
|
2750 | $post['post_status'] = 'trash'; |
2751 | wp_insert_post($post); |
2752 |
|
2753 | wp_trash_post_comments($post_id); |
2754 |
|