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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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385 |
|
386 | /** |
387 | * Fires after a navigation menu has been successfully updated. |
388 | * |
389 | * @since 3.0.0 |
390 | * |
391 | * @param int $menu_id ID of the updated menu. |
392 | * @param array $menu_data An array of menu data. |
393 | */ |
394 | do_action( 'wp_update_nav_menu', $menu_id, $menu_data ); |
395 | return $menu_id; |
396 | } |
397 |
|
398 | /** |
399 | * Save the properties of a menu item or create a new one. |
400 | * |
401 | * The menu-item-title, menu-item-description, and menu-item-attr-title are expected |
402 | * to be pre-slashed since they are passed directly into `wp_insert_post()`. |
403 | * |