function parseDomainName($host)

{

        static $tlds = array('.com', '.net', '.org');

 

        foreach ($tlds as $tld)

       {

                if (preg_match('/^(.*)' . preg_quote($tld) . '$/i', $host, $matches))

                {

                        $name_parts = explode('.', $matches[1]);

                        return array_pop($name_parts) . $tld;

                }

        }

        return false;

}

 

$urls = $linkarray[1];
foreach ($urls as $url)
{
    $url_parts = parse_url($url);
    $domain = parseDomainName($url_parts['host']);
    echo $domain;
}