php获取MAC地址

/***获取mac地址**/class GetMacAddr{ ???var $return_array = array(); // 返回带有MAC地址的字串数组 ???var $mac_addr; ???function GetMacAddr($os_type){ ???????switch ( strtolower($os_type) ){ ???????????case "linux": ???????????????$this->forLinux(); ???????????????break; ???????????case "solaris": ???????????????break; ???????????case "unix": ???????????????break; ???????????case "aix": ???????????????break; ???????????default: ???????????????$this->forWindows(); ???????????????break; ???????} ???????$temp_array = array(); ???????foreach ( $this->return_array as $value ){ ???????????if ( ???????????preg_match("/[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f]/i",$value, ???????????????$temp_array ) ){ ???????????????$this->mac_addr = $temp_array[0]; ???????????????break; ???????????} ???????} ???????unset($temp_array); ???????return $this->mac_addr; ???} ???function forWindows(){ ???????@exec("ipconfig /all", $this->return_array); ???????if ( $this->return_array ) ???????????return $this->return_array; ???????else{ ???????????$ipconfig = $_SERVER["WINDIR"]."\system32\ipconfig.exe"; ???????????if ( is_file($ipconfig) ) ???????????????@exec($ipconfig." /all", $this->return_array); ???????????else ???????????????@exec($_SERVER["WINDIR"]."\system\ipconfig.exe /all", $this->return_array); ???????????return $this->return_array; ???????} ???} ???function forLinux(){ ???????@exec("ifconfig -a", $this->return_array); ???????return $this->return_array; ???}} //方法使用$mac = new GetMacAddr(PHP_OS);echo $mac->mac_addr;/***ip地址的获取**/$a="IP:";$b="<<>>进入时间:";$user_IP =$_SERVER["REMOTE_ADDR"];$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];date_default_timezone_set("Etc/GMT-8");$showtime=date(‘Y-m-d H:i:s‘);echo "$a $user_IP";echo "$b $showtime";