Body::printArrayValueByIndex

protected function printArrayValueByIndex(ArrayDataProvider $arrayDataProvider, $placeholder, $name, $index = 0, $modifier = '')
{
	$innerProvider = $arrayDataProvider->getValue($index);
	$modifier = preg_replace('#index=[d]+#', '', $modifier);
	if($innerProvider instanceof DataProvider)
	{
		$value = self::printValue($innerProvider->getValue($name), $placeholder, $modifier);
	}
	else
	{
		$value = '';
	}

	return $value;
}