FileDiskProperty::prepareValue

static function prepareValue($value)
{
	if (is_array($value['VALUE']))
	{
		$value['VALUE'] = array_diff($value['VALUE'], array(''));
		foreach ($value['VALUE'] as $key => $internalValue)
		{
			if (is_string($internalValue))
			{
				$explodeResult = explode(',',$internalValue);
				if (count($explodeResult) > 1)
				{
					$value['VALUE'] = array_merge($value['VALUE'], $explodeResult);
					unset($value['VALUE'][$key]);
				}
			}
		}
	}
	else
	{
		$value['VALUE'] = explode(',', $value['VALUE']);
	}

	return $value['VALUE'];
}