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function GetUrlRoot($url)
{
preg_match('/[\w][\w-]*\.(?:com\.cn|com|cn|co|net|org|gov|cc|biz|info)(\/|$)/isU', $url, $domain);
return rtrim($domain[0], '/');
}

posted on 2014-12-25 10:42  chenjian  阅读(1219)  评论(0编辑  收藏  举报