WooCommerce - Show lowest price only for variable products

<?php
  // WooCommerce - Show lowest price only for variable products
  add_filter( 'woocommerce_variable_price_html', 'custom_variation_price', 10, 2 );
  function custom_variation_price( $price, $product ) {
    // $price is the html for the variation range without suffixes (default)
    // we want the html for the lowest priced variation and with suffixes
    $price = '';
    $variations = $product->get_available_variations();
    $lowest_price = PHP_FLOAT_MAX;
    $all_same_price = true;
    foreach( $variations as $key => $variation ) {
      $display_price = $variation['display_price'];
      if( $display_price < $lowest_price ) {
        $lowest_price = $display_price;
        $variation_id = $variation['variation_id'];
      }
      if( $lowest_price < $display_price ) {
        $all_same_price = false;
      }
    }
    $product = wc_get_product( $variation_id ); // WC_Product_Variation
    // wc_price() gives: <span class="woocommerce-Price-amount amount"><bdi><span class="woocommerce-Price-currencySymbol">&pound;</span>9.13</bdi></span>
    $ex_tax_price = wc_price( wc_get_price_excluding_tax( $product ) );
    if( ! $all_same_price ) {
      $price .= '<span class="from">From </span>';
    }
    $price .= $ex_tax_price;
    $inc_tax_price = wc_price( wc_get_price_including_tax( $product ) );
    $price .= '<small class="woocommerce-price-suffix"> (Exc VAT), ' . $inc_tax_price . ' (Inc VAT)</small>';
    return $price;
  } // end function