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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 |
|---|---|
| 70 | * An array of arguments passed to wp_nav_menu() to retrieve a custom menu. |
| 71 | * |
| 72 | * @type callable|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty. |
| 73 | * @type mixed $menu Menu ID, slug, or name. |
| 74 | * } |
| 75 | * @param stdClass $nav_menu Nav menu object for the current menu. |
| 76 | * @param array $args Display arguments for the current widget. |
| 77 | * @param array $instance Array of settings for the current widget. |
| 78 | */ |
| 79 | wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) ); |
| 80 | |
| 81 | echo $args['after_widget']; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Handles updating settings for the current Custom Menu widget instance. |
| 86 | * |
| 87 | * @since 3.0.0 |
| 88 | * @access public |