How to influence the information displayed on widget inside wp-admin
Background: The reason why filtering with dynamic_sidebar_params doesn’t work with HTML is because WordPress strips HTML from Widget Heading in wp_widget_control() function like this: $widget_title = esc_html( strip_tags( $sidebar_args[‘widget_name’] ) ); WordPress also strips HTML in default JavaScript in wp-admin/js/widgets.js So without a customised solution, there is no default filter or option either with PHP … Read more