Updates widget settings asynchronously.
Description
Allows the Customizer to update a widget using its form, but return the new instance info via Ajax instead of saving it to the options table.
Most code here copied from wp_ajax_save_widget() .
Updates widget settings asynchronously.
Allows the Customizer to update a widget using its form, but return the new instance info via Ajax instead of saving it to the options table.
Most code here copied from wp_ajax_save_widget() .