/**
* This method returns an amount as currency, with a symbol and currency code.
*
* <code>
* // Create currency object.
* $currencyId = 1;
* $currency = Crowdfunding\Currency::getInstance(JFactory::getDbo(), $currencyId);
*
* // Create amount object.
* $options = new Joomla\Registry\Registry();
* $options->set("intl", true);
* $options->set("locale", "en_GB");
* $options->set("format", "2/,/.");
*
* $amount = 1500.25;
*
* $amount = new Crowdfunding\Amount($amount, $options);
* $amount->setCurrency($currency);
*
* // Return $1,500.25 or 1,500.25USD.
* echo $amount->formatCurrency();
* </code>
*
* @return string
*/
public function formatCurrency()
{
$intl = (bool) $this->options->get('intl', false);
$fractionDigits = abs($this->options->get('fraction_digits', 2));
$format = $this->options->get('format');
$amount = $this->value;
// Use number_format.
if (!$intl and \JString::strlen($format) > 0) {
$value = $this->formatNumber($this->value);
if (!$this->currency->getSymbol()) {
// Symbol
$amount = $value . $this->currency->getCode();
} else {
// Code
if (0 === $this->currency->getPosition()) {
// Symbol at beginning.
$amount = $this->currency->getSymbol() . $value;
} else {
// Symbol at end.
$amount = $value . ' ' . $this->currency->getSymbol();
}
}
}
// Use PHP Intl library.
if ($intl and extension_loaded('intl')) {
// Generate currency string using PHP NumberFormatter ( Internationalization Functions )
$locale = $this->options->get('locale');
// Get current locale code.
if (!$locale) {
$lang = \JFactory::getLanguage();
$locale = str_replace('-', '_', $lang->getTag());
}
$numberFormat = new \NumberFormatter($locale, \NumberFormatter::CURRENCY);
$numberFormat->setTextAttribute(\NumberFormatter::CURRENCY_CODE, $this->currency->getCode());
$numberFormat->setAttribute(\NumberFormatter::FRACTION_DIGITS, $fractionDigits);
$amount = $numberFormat->formatCurrency($this->value, $this->currency->getCode());
}
return $amount;
}
