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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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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 | } |