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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 |
|---|---|
| 2652 | } |
| 2653 | |
| 2654 | /** |
| 2655 | * Fires before a post is sent to the trash. |
| 2656 | * |
| 2657 | * @since 3.3.0 |
| 2658 | * |
| 2659 | * @param int $post_id Post ID. |
| 2660 | */ |
| 2661 | do_action( 'wp_trash_post', $post_id ); |
| 2662 | |
| 2663 | add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); |
| 2664 | add_post_meta( $post_id, '_wp_trash_meta_time', time() ); |
| 2665 | |
| 2666 | wp_update_post( array( 'ID' => $post_id, 'post_status' => 'trash' ) ); |
| 2667 | |
| 2668 | wp_trash_post_comments( $post_id ); |
| 2669 | |
| 2670 | /** |