Code Examples -> Gets the browser and OS from the $_SERVER['http_user

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PHP Code Examples

Title :	Gets the browser and OS from the $_SERVER['http_user_agent'] variable in PHP
Categories :	PHP, HTTP, Regexps	John Harrison
Date :	Jul 08th 2002
Grade :	2 of 5 (graded 3 times)
Viewed :	5839
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by John Harrison
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?
###################
# http://www.tececo.com #
# #################
// Browser Detection
        if( eregi("(opera) ([0-9]{1,2}.[0-9]{1,3}){0,1}",$_SERVER['HTTP_USER_AGENT'],$regs) ||
eregi("(opera/)([0-9]{1,2}.[0-9]{1,3}){0,1}",$_SERVER['HTTP_USER_AGENT'],$regs)){$browser
= "Opera $regs[2]";}
        elseif( eregi("(konqueror)/([0-9]{1,2}.[0-9]{1,3})",$_SERVER
['HTTP_USER_AGENT'],$regs) ){$browser = "Konqueror $regs[2]";}
        elseif( eregi("(omniweb/)([0-9]{1,2}.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "OmniWeb $regs[2]";}
        elseif( eregi("(webtv/)([0-9]{1,2}.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "WebTV $regs[2]";}
        elseif( eregi("(lynx)/([0-9]{1,2}.[0-9]{1,2}.[0-9]{1,2})",$_SERVER
['HTTP_USER_AGENT'],$regs) ){$browser = "Lynx $regs[2]";}
        elseif( eregi("(links) \(([0-9]{1,2}.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "Links $regs[2]";}
        elseif( eregi("(msie) ([0-9]{1,2}.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "MSIE $regs[2]";}
        elseif( eregi("(netscape6)/(6.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "Netscape $regs[2]";}
        elseif( eregi("mozilla/5",$_SERVER['HTTP_USER_AGENT']) ){$browser = "Netscape";}
        elseif( eregi("(mozilla)/([0-9]{1,2}.[0-9]{1,3})",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$browser = "Netscape $regs[2]";}
        elseif( eregi("w3m",$_SERVER['HTTP_USER_AGENT']) ){$browser = "w3m";}
        else{$browser = "Unknown";}

// OS Detection

if(eregi("linux",$_SERVER['HTTP_USER_AGENT'])){$system = "Linux";}
        elseif(eregi("win32",$_SERVER['HTTP_USER_AGENT'])){$system = "Windows";}
        elseif(eregi("Win 9x 4.90",$_SERVER['HTTP_USER_AGENT'])){$system = "Windows Me";}
elseif(eregi("windows 2000",$_SERVER['HTTP_USER_AGENT']) || eregi("(windows nt)( ){0,1}
(5.0)",$_SERVER['HTTP_USER_AGENT']) ){$system = "Windows 2000";}
elseif(eregi("(windows nt)( ){0,1}(5.1)",$_SERVER['HTTP_USER_AGENT']) ){$system = "Windows
XP";}
        elseif( (eregi("(win)([0-9]{2})",$_SERVER['HTTP_USER_AGENT'],$regs)) || (eregi
("(windows) ([0-9]{2})",$_SERVER['HTTP_USER_AGENT'],$regs)) ){$system = "Windows $regs[2]";}
        elseif(eregi("(winnt)([0-9]{1,2}.[0-9]{1,2}){0,1}",$_SERVER['HTTP_USER_AGENT'],$regs) )
{$system = "Windows NT $regs[2]";}
        elseif(eregi("(windows nt)( ){0,1}([0-9]{1,2}.[0-9]{1,2}){0,1}",$_SERVER
['HTTP_USER_AGENT'],$regs) ){$system = "Windows NT $regs[3]";}
        elseif(eregi("mac",$_SERVER['HTTP_USER_AGENT'])){$system = "Macintosh";}
        elseif(eregi("(sunos) ([0-9]{1,2}.[0-9]{1,2}){0,1}",$_SERVER
['HTTP_USER_AGENT'],$regs)){$system = "SunOS $regs[2]";}
        elseif(eregi("(beos) r([0-9]{1,2}.[0-9]{1,2}){0,1}",$_SERVER['HTTP_USER_AGENT'],$regs))
{$system = "BeOS $regs[2]";}
        elseif(eregi("freebsd",$_SERVER['HTTP_USER_AGENT'])){$system = "FreeBSD";}
        elseif(eregi("openbsd",$_SERVER['HTTP_USER_AGENT'])){$system = "OpenBSD";}
        elseif(eregi("irix",$_SERVER['HTTP_USER_AGENT'])){$system = "IRIX";}
        elseif(eregi("os/2",$_SERVER['HTTP_USER_AGENT'])){$system = "OS/2";}
        elseif(eregi("plan9",$_SERVER['HTTP_USER_AGENT'])){$system = "Plan9";}
        elseif(eregi("unix",$_SERVER['HTTP_USER_AGENT']) || eregi("hp-ux",$_SERVER
['HTTP_USER_AGENT']) || eregi("X11",$_SERVER['HTTP_USER_AGENT']) ){$system = "Unix";}
        elseif(eregi("osf",$_SERVER['HTTP_USER_AGENT'])){$system = "OSF";}
        else{$system = "Unknown";}

        echo "You are using $browser on a $system system<br>";
?>

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