function CurrencyLocalize::processCallback in Currency 8.3

Implements preg_replace_callback() callback.

See also

self::process()

File

src/Plugin/Filter/CurrencyLocalize.php, line 96

Class

CurrencyLocalize

Provides a filter to format amounts.

Namespace

Drupal\currency\Plugin\Filter

Code

function processCallback(array $matches) {
  $currency_code = $matches[1];
  $amount = $this->input
    ->parseAmount($matches[2]);

  // The amount is invalid, so return the token.
  if (!$amount) {
    return $matches[0];
  }

  /** @var \Drupal\currency\Entity\CurrencyInterface $currency */
  $currency = $this->currencyStorage
    ->load($currency_code);
  $this->currentFilterProcessResult
    ->addCacheableDependency($currency);
  if ($currency) {
    return $currency
      ->formatAmount($amount);
  }

  // The currency code is invalid, so return the token.
  return $matches[0];
}