/**
* Format the numeric value as a number with grouped thousands, decimal point and
* precision.
*
* @param int $decimals The number of digits after the decimal point
* @param string $decimalSeparator The decimal point character
* @param string $thousandsSeparator The character for grouping the thousand digits
* @param string $localeFormatLength Format length if locale set in $forceLocale. Must be one of TYPO3\Flow\I18n\Cldr\Reader\NumbersReader::FORMAT_LENGTH_*'s constants.
* @return string The formatted number
* @api
* @throws ViewHelperException
*/
public function render($decimals = 2, $decimalSeparator = '.', $thousandsSeparator = ',', $localeFormatLength = NumbersReader::FORMAT_LENGTH_DEFAULT)
{
$stringToFormat = $this->renderChildren();
$useLocale = $this->getLocale();
if ($useLocale !== NULL) {
try {
$output = $this->numberFormatter->formatDecimalNumber($stringToFormat, $useLocale, $localeFormatLength);
} catch (I18nException $exception) {
throw new ViewHelperException($exception->getMessage(), 1382351148, $exception);
}
} else {
$output = number_format((double) $stringToFormat, $decimals, $decimalSeparator, $thousandsSeparator);
}
return $output;
}
