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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 |
|---|---|
| 395 | delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' ); |
| 396 | |
| 397 | // Update existing menu item. Default is publish status |
| 398 | if ( $update ) { |
| 399 | $post['ID'] = $menu_item_db_id; |
| 400 | $post['post_status'] = 'draft' == $args['menu-item-status'] ? 'draft' : 'publish'; |
| 401 | wp_update_post( $post ); |
| 402 | } |
| 403 | |
| 404 | do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args ); |
| 405 | |
| 406 | return $menu_item_db_id; |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Returns all navigation menu objects. |
| 411 | * |
| 412 | * @since 3.0.0 |
| 413 | * |