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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 |
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477 | * |
478 | * @since 3.0.0 |
479 | * |
480 | * @see wp_update_nav_menu_item() |
481 | * |
482 | * @param int $menu_id ID of the updated menu. |
483 | * @param int $menu_item_db_id ID of the updated menu item. |
484 | * @param array $args An array of arguments used to update a menu item. |
485 | */ |
486 | do_action( 'wp_update_nav_menu_item', $menu_id, $menu_item_db_id, $args ); |
487 |
|
488 | return $menu_item_db_id; |
489 | } |
490 |
|
491 | /** |
492 | * Returns all navigation menu objects. |
493 | * |
494 | * @since 3.0.0 |
495 | * @since 4.1.0 Default value of the 'orderby' argument was changed from 'none' |