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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 |
|---|---|
| 1373 | * @param array $nav_menu_args { |
| 1374 | * An array of arguments passed to wp_nav_menu() to retrieve a custom menu. |
| 1375 | * |
| 1376 | * @type callback|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty. |
| 1377 | * @type mixed $menu Menu ID, slug, or name. |
| 1378 | * } |
| 1379 | * @param stdClass $nav_menu Nav menu object for the current menu. |
| 1380 | * @param array $args Display arguments for the current widget. |
| 1381 | */ |
| 1382 | wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args ) ); |
| 1383 | |
| 1384 | echo $args['after_widget']; |
| 1385 | } |
| 1386 | |
| 1387 | public function update( $new_instance, $old_instance ) { |
| 1388 | $instance = array(); |
| 1389 | if ( ! empty( $new_instance['title'] ) ) { |
| 1390 | $instance['title'] = strip_tags( stripslashes($new_instance['title']) ); |
| 1391 | } |