Encoding::resolveAlias

static function resolveAlias($alias)
{
	static $map = array(
		'csksc56011987' => 'euc-kr',
		'ks_c_5601-1987' => 'euc-kr',
		'ks_c_5601-1989' => 'euc-kr',
		'ksc5601' => 'euc-kr',
		'ksc_5601' => 'euc-kr',
		'windows-1257' => 'ISO-8859-13',
	);

	if(is_string($alias))
	{
		$alias = strtolower(trim($alias));
		if(isset($map[$alias]))
		{
			return $map[$alias];
		}
	}

	return $alias;
}