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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 |
|---|---|
| 370 | update_post_meta( $menu_item_db_id, '_menu_item_classes', $args['menu-item-classes'] ); |
| 371 | update_post_meta( $menu_item_db_id, '_menu_item_xfn', $args['menu-item-xfn'] ); |
| 372 | update_post_meta( $menu_item_db_id, '_menu_item_url', esc_url_raw($args['menu-item-url']) ); |
| 373 | |
| 374 | if ( 0 == $menu_id ) |
| 375 | update_post_meta( $menu_item_db_id, '_menu_item_orphaned', time() ); |
| 376 | else |
| 377 | delete_post_meta( $menu_item_db_id, '_menu_item_orphaned' ); |
| 378 | |
| 379 | do_action('wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args ); |
| 380 | |
| 381 | return $menu_item_db_id; |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Returns all navigation menu objects. |
| 386 | * |
| 387 | * @since 3.0.0 |
| 388 | * |