Variable product strike out

Implement strikeout pricing for variable products.

add_filter('advanced_woo_discount_rules_format_sale_price_range', function($html, $min_price, $max_price, $original_price){
	if($original_price){
		$html = wc_price($min_price);
		return $html;
	}else{
		$html = wc_price($min_price);
		return $html;
	}
	
}, 10, 4);

add_filter('advanced_woo_discount_rules_strikeout_price_html', function($html, $min_price, $max_price, $is_variable_product){
	if($is_variable_product){
		return "From :" .$html;
	}else{
		return $html;
	}
}, 10, 4);