Unnamed

<?php

$gLang = array("en", "pl");

function getLanguage()
{
	// choose language
	global $gLang;
	$host = $_SERVER['HTTP_HOST'];
	preg_match('#\.?([a-z]+)\.sotw\.com$#i', $host, $match);
	$xLang = (isset($match['1']) && $match['1'] != 'www') ? $match['1'] : substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
	$found = false;
	foreach($gLang AS $lang)
	{
		if($xLang == $lang)
		{
			$found = true;
			break;
		}
	}
	if(!$found)
	{
		$lang = $gLang[0];
	}
	return $lang;
}

echo getLanguage();

?>