Drupal Commerce - Price without the decimal

gistfile1.php

<?php

/**
 * Implementation hook_commerce_currency_info_alter()
 */
function MODULE_commerce_currency_info_alter(&$currencies, $langcode) {
  $currencies['RUB']['format_callback'] = 'MODULE_commerce_currency_format';
}

function MODULE_commerce_currency_format($amount, $currency, $object = NULL, $convert = TRUE) {
  // Format the price as a number, use 0 for no decimal places in output
  $price = number_format(commerce_currency_round(abs($amount), $currency), 0, $currency['decimal_separator'], $currency['thousands_separator']);

  // Establish the replacement values to format this price for its currency.
  $replacements = array(
    '@code_before' => $currency['code_placement'] == 'before' ? $currency['code'] : '',
    '@symbol_before' => $currency['symbol_placement'] == 'before' ? $currency['symbol'] : '',
    '@price' => $price,
    '@symbol_after' => $currency['symbol_placement'] == 'after' ? $currency['symbol'] : '',
    '@code_after' => $currency['code_placement'] == 'after' ? $currency['code'] : '',
    '@negative' => $amount < 0 ? '-' : '',
    '@symbol_spacer' => $currency['symbol_spacer'],
    '@code_spacer' => $currency['code_spacer'],
  );

  return trim(t('@code_before@code_spacer@negative@symbol_before@price@symbol_spacer@symbol_after@code_spacer@code_after', $replacements));
}