Field::renderFieldByTypeN

static function renderFieldByTypeN(array $field)
{
	if(empty($field['VALUE']))
		return '';

	if($field['MULTIPLE'] == 'Y' && is_array($field['VALUE']))
	{
		$results = array();
		foreach($field['VALUE'] as $value)
		{
			$results[] = (float)$value;
		}
		$result = implode(self::$separator, $results);
	}
	else
	{
		$result = (float)$field['VALUE'];
	}
	return $result;
}