摘要： 今天有同事给了一个服务器的mail日志文件，要我做个统计Ip和出现次数//统计Ip和出现次数$content = file_get_contents('D:\xampp\htdocs\test\mail.log');$newArr = array();$pattern = '/((?:(?:25[0-5]|2[0-4]\d|[01]?\d?\d)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d?\d))/';preg_match_all($pattern,$content,$result);$res = $result[0];foreach ( 阅读全文