Mostrar preço dos produtos variáveis com "apartir de"

example.php

<?php
/**
 * @version 2.0.0
 * @author Luiz Paulo Bills <[email protected]>
 */

add_filter( 'woocommerce_variable_sale_price_html', 'lpb_wc_variable_product_price_html', 10, 2 );
add_filter( 'woocommerce_variable_price_html','lpb_wc_variable_product_price_html', 10, 2 );
function lpb_wc_variable_product_price_html ( $html, $product ) {
	$min_price = $product->get_variation_regular_price( 'min', true );
	$max_price = $product->get_variation_regular_price( 'max', true );

	if ( ! empty( $min_price ) && $min_price !== $max_price ) {
		if ( $product->is_on_sale() ) {
			$sale_price = $product->get_variation_sale_price( 'min', true );
			$html = '<del>' .  wc_price( $min_price ) . '</del><ins>' .  wc_price( $sale_price ) . '</ins>';
		} else {
			$html = '<ins>' . wc_price( $min_price ) . '</ins>';
		}
		return '<span class="from-text">' . esc_html__( 'A partir de', 'woocommerce' ) . '&nbsp;</span>' . $html;
	}

	return $html;
}