if ( ! empty( $title ) )
echo $before_title . $title . $after_title;
// Widget code here
// …
echo $after_widget;
}
This code registers a widget to display best selling products on a WordPress website. It creates a Woocommerce_Best_Selling_Products_Widget class and calls the register_widget function, passing in the new widget class. Within the widget function, it extracts the widget arguments and applies a filter to the title. Finally, it displays the widget title before and after the widget code.
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