include("PHPClientSniffer.php3"); 
$is = new sniffer; 
<DL> 
   <DT>$is->UA 
   <DD>The HTTP USER AGENT String 
   <DT>$is->NAME 
   <DD>Browser Name (Netscape, IE, Opera, iCab, Unknown) 
   <DT>$is->VERSION 
   <DD>Browser Full Version 
   <DT>$is->MAJORVER 
   <DD>Browser Major Version 
   <DT>$is->MINORVER 
   <DD>Browser Minor Version 
   <DT>$is->AOL 
   <DD>True/False 
   <DT>$is->WEBTV 
   <DD>True/False 
   <DT>$is->JS 
   <DD>Assumed JavaScript Version Supported by Browser 
   <DT>$is->PLATFORM 
   <DD>System Platform (Win16,Win32,Mac,OS2,Unix) 
   <DT>$is->OS 
   <DD>System OS (Win98,OS2,Mac68k,linux,bsd,etc...) see code 
   <DT>$is->IP 
   <DD>REMOTE_ADDR 
</DL>

<? 
 
class sniffer 
{  var $UA        =  ""; 
   var $NAME      =  "Unknown"; 
   var $VERSION    =  0; 
   var $MAJORVER  =  0; 
   var $MINORVER  =  0; 
   var $AOL        =  false; 
   var $WEBTV      =  false; 
   var $JS        =  0.0; 
   var $PLATFORM  =  "Unknown"; 
   var $OS        =  "Unknown"; 
   var $IP        =  "Unknown"; 
 
   /* START CONSTRUCTOR */ 
   function sniffer() 
   {  $this->UA = getenv(HTTP_USER_AGENT); 
 
     // Determine NAME Name and Version      
     if ( eregi( 'MSIE ([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) || 
           eregi( 'Microsoft Internet Explorer ([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) ) 
     {  $this->VERSION = $info[1]; 
         $this->NAME = 'IE'; 
     } 
     elseif ( eregi( 'Opera ([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) || 
               eregi( 'Opera/([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) ) 
     {  $this->VERSION = $info[1]; 
         $this->NAME = 'Opera'; 
     } 
     elseif ( eregi( 'iCab ([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) || 
               eregi( 'iCab/([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) ) 
     {  $this->VERSION = $info[1]; 
         $this->NAME = 'iCab'; 
     } 
     elseif ( eregi( 'Netscape6/([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) ) 
     {  $this->VERSION = $info[1]; 
         $this->NAME = 'Netscape'; 
     } 
     elseif ( eregi( 'Mozilla/([0-9].[0-9a-zA-Z]{1,4})',$this->UA,$info) ) 
     {  $this->VERSION = $info[1]; 
         $this->NAME = 'Netscape'; 
     } 
     else 
     {  $this->VERSION = 0; 
         $this->NAME = 'Unknown'; 
     } 
 
     // Determine if AOL or WEBTV 
     if( eregi( 'aol',$this->UA,$info)) 
     { $this->AOL = true; 
     } 
     elseif( eregi( 'webtv',$this->UA,$info)) 
     { $this->WEBTV = true; 
     } 
 
     // Determine Major and Minor Version 
     if($this->VERSION > 0) 
     {  $pos = strpos($this->VERSION,"."); 
         if ($pos > 0) 
         {  $this->MAJORVER = substr($this->VERSION,0,$pos); 
           $this->MINORVER = substr($this->VERSION,$pos,strlen($this->VERSION)); 
         } 
         else $this->MAJORVER = $this->VERSION; 
     } 
 
     // Determine Platform and OS 
 
     // Check for Windows 16-bit 
     if( eregi('Win16',$this->UA)          || 
         eregi('windows 3.1',$this->UA)    || 
         eregi('windows 16-bit',$this->UA)  || 
         eregi('16bit',$this->UA)) 
     {  $this->PLATFORM = "Win16"; 
         $this->OS = "Win31"; 
     } 
 
     // Check for Windows 32-bit    
     if(eregi('Win95',$this->UA) || eregi('windows 95',$this->UA)) 
     {  $this->PLATFORM = "Win32"; 
         $this->OS = "Win95"; 
     } 
     elseif(eregi('Win98',$this->UA) || eregi('windows 98',$this->UA)) 
     {  $this->PLATFORM = "Win32"; 
         $this->OS = "Win98"; 
     } 
     elseif(eregi('WinNT',$this->UA) || eregi('windows NT',$this->UA)) 
     {  $this->PLATFORM = "Win32"; 
         $this->OS = "WinNT"; 
     } 
     else 
     {  $this->PLATFORM = "Win32"; 
         $this->OS = "Win9xNT"; 
     } 
 
     // Check for OS/2 
     if( eregi('os/2',$this->UA)            || 
         eregi('ibm-webexplorer',$this->UA)) 
     {  $this->PLATFORM = "OS2"; 
         $this->OS = "OS2";  
     } 
 
     // Check for Mac 68000 
     if( eregi('68k',$this->UA)            || 
         eregi('68000',$this->UA)) 
     {  $this->PLATFORM = "Mac";  
         $this->OS = "Mac68k"; 
     } 
 
     //Check for Mac PowerPC 
     if( eregi('ppc',$this->UA)            || 
         eregi('powerpc',$this->UA)) 
     {  $this->PLATFORM = "Mac"; 
         $this->OS = "MacPPC"; 
     } 
 
     // Check for Unix Flavor 
 
     //SunOS 
     if(eregi('sunos',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "sun"; 
     } 
     if(eregi('sunos 4',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "sun4"; 
     } 
     elseif(eregi('sunos 5',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "sun5"; 
     } 
     elseif(eregi('i86',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "suni86"; 
     } 
 
     // Irix 
     if(eregi('irix',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "irix"; 
     } 
     if(eregi('irix 6',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "irix6"; 
     } 
     elseif(eregi('irix 5',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "irix5"; 
     } 
 
     //HP-UX 
     if(eregi('hp-ux',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "hpux"; 
     } 
     if(eregi('hp-ux',$this->UA) && ereg('10.',$this-UA))  
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "hpux10"; 
     } 
     elseif(eregi('hp-ux',$this->UA) && ereg('09.',$this-UA))  
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "hpux9"; 
     } 
 
     //AIX 
     if(eregi('aix',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "aix"; 
     } 
     if(eregi('aix1',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "aix1"; 
     } 
     elseif(eregi('aix2',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "aix2"; 
     } 
     elseif(eregi('aix3',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "aix3"; 
     } 
     elseif(eregi('aix4',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "aix4"; 
     } 
 
     // Linux 
     if(eregi('inux',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "linux"; 
     } 
 
     //Unixware 
     if(eregi('unix_system_v',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "unixware"; 
     } 
 
     //mpras 
     if(eregi('ncr',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "mpras"; 
     } 
 
     //Reliant 
     if(eregi('reliantunix',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "reliant"; 
     } 
 
     // DEC 
     if(eregi('dec',$this->UA)          ||  
         eregi('osfl',$this->UA)          || 
         eregi('alphaserver',$this->UA)  || 
         eregi('ultrix',$this->UA)        || 
         eregi('alphastation',$this->UA)) 
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "dec"; 
     } 
 
     // Sinix 
     if(eregi('sinix',$this->UA))    
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "sinix"; 
     } 
 
     // FreeBSD 
     if(eregi('freebsd',$this->UA))    
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "freebsd"; 
     } 
 
     // BSD 
     if(eregi('bsd',$this->UA))    
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "bsd"; 
     } 
 
     // VMS 
     if(eregi('vax',$this->UA) || eregi('openvms',$this->UA))    
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "vms"; 
     } 
 
     // SCO 
     if(eregi('sco',$this->UA) || eregi('unix_sv',$this->UA))    
     {  $this->PLATFORM = "Unix"; 
         $this->OS = "sco"; 
     } 
 
     // Assume JavaScript Version 
 
     // make the code a bit easier to read 
     $ie  = eregi("ie",$this->NAME); 
     $ie5 = ( eregi("ie",$this->NAME) && ($this->MAJORVER >= 5) ); 
     $ie4 = ( eregi("ie",$this->NAME) && ($this->MAJORVER >= 4) ); 
     $ie3 = ( eregi("ie",$this->NAME) && ($this->MAJORVER >= 3) ); 
 
     $nav  = eregi("netscape",$this->NAME); 
     $nav5 = ( eregi("netscape",$this->NAME) && ($this->MAJORVER >= 5) ); 
     $nav4 = ( eregi("netscape",$this->NAME) && ($this->MAJORVER >= 4) ); 
     $nav3 = ( eregi("netscape",$this->NAME) && ($this->MAJORVER >= 3) ); 
     $nav2 = ( eregi("netscape",$this->NAME) && ($this->MAJORVER >= 2) ); 
 
     $opera = eregi("opera",$this->NAME); 
 
     // do the assumption 
     // update as new versions are released 
 
     // Provide upward compatibilty 
     if($nav && ($this->MAJORVER > 5)) $this->JS = 1.4; 
     elseif($ie && ($this->MAJORVER > 5)) $this->JS = 1.3; 
     // check existing versions 
     elseif($nav5) $this->JS = 1.4; 
     elseif(($nav4 && ($this->VERSION > 4.05)) || $ie4) $this->JS = 1.3; 
     elseif(($nav4 && ($this->VERSION <= 4.05)) || $ie4) $this->JS = 1.2; 
     elseif($nav3 || $opera) $this->JS = 1.1; 
     elseif(($nav && ($this->MAJORVER >= 2)) || ($ie && ($this->MAJORVER >=3))) $this->JS = 1.0; 
     //no idea 
     else $this->JS = 0.0; 
 
     // Grab IP Address 
     $this->IP = getenv('REMOTE_ADDR'); 
   } 
} 
 
?>