WooCommerce Currency convertions

functions.php

add_filter( 'wc_price', 'my_custom_price_format', 10, 3 );

function my_custom_price_format( $formatted_price, $price, $args ) {
  
  $convertion_rate = 0.000066;
  $price = filter_var($price, FILTER_SANITIZE_NUMBER_INT)/100;
  
  $new_price = $price * $convertion_rate;
  $price_usd = number_format($new_price, 2 );

    
  // the currency symbol for US dollars
  $currency = 'USD';
  $currency_symbol = '$';
  $price_usd = $currency_symbol.$price_usd; // adding currency symbol

  // The USD formatted price
  $formatted_price_usd = "<span class='price-usd'> (USD $price_usd)</span>";

  // Return both formatted currencies
  return $formatted_price . $formatted_price_usd;

}