Translation::needConvertEncoding

static function needConvertEncoding($language, $targetEncoding = null)
{
	if (!isset(self::$needConvertEncoding[$language]) || self::$needConvertEncoding[$language] === null)
	{
		self::$needConvertEncoding[$language] = false;

		if (self::allowConvertEncoding())
		{
			if ($targetEncoding === null)
			{
				$targetEncoding = self::getCurrentEncoding();
			}
			$sourceEncoding = self::getSourceEncoding($language);
			self::$needConvertEncoding[$language] = ($targetEncoding != $sourceEncoding);
		}
	}

	return self::$needConvertEncoding[$language];
}