<?php
/*****************************************************************
File name: browser.php
Author: Gary White
Last modified: November 10, 2003
Modified: Chris Eheim
Last modified: November 25, 2003
Comments: Added major and minor version and support for PDAs
**************************************************************
Copyright (C) 2003 Gary White
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details at:
http://www.gnu.org/copyleft/gpl.html
**************************************************************
Browser class
Identifies the user's Operating system, browser and version
by parsing the HTTP_USER_AGENT string sent to the server
Typical Usage:
require_once($_SERVER['DOCUMENT_ROOT'].'/include/browser.php');
$br = new Browser;
echo "$br->Platform, $br->Name version $br->Version";
echo "$br->Major, $br->Minor";
echo "$br->PDA";
For operating systems, it will correctly identify:
Microsoft Windows
MacIntosh
Linux
> chris
Palm
Windows CE
Anything not determined to be one of the above is considered to by Unix
because most Unix based browsers seem to not report the operating system.
The only known problem here is that, if a HTTP_USER_AGENT string does not
contain the operating system, it will be identified as Unix. For unknown
browsers, this may not be correct.
For browsers, it should correctly identify all versions of:
Amaya
Galeon
iCab
Internet Explorer
For AOL versions it will identify as Internet Explorer (AOL) and the version
will be the AOL version instead of the IE version.
Konqueror
Lynx
Mozilla
Netscape Navigator/Communicator
OmniWeb
Opera
Pocket Internet Explorer for handhelds
Safari
WebTV
*****************************************************************/
class browser {
var $Name = "Unknown";
var $Version = "Unknown";
var $Major = "Unknown";
var $Minor = "Unknown";
var $Platform = "Unknown";
var $UserAgent = "Not reported";
var $PDA = false;
var $AOL = false;
function browser($ua = "") {
if (empty($ua)) {
// Modified chris
if (isset($GLOBALS['HTTP_USER_AGENT'])) {
$agent = $GLOBALS['HTTP_USER_AGENT'];
} elseif(isset($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'])) {
$agent = $GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'];
} elseif(isset($_SERVER['HTTP_USER_AGENT'])) {
$agent = $_SERVER['HTTP_USER_AGENT'];
} else {
$agent = "Unknown";
}
} else {
$agent = $ua;
}
// initialize properties
$bd['platform'] = "Unknown";
$bd['browser'] = "Unknown";
$bd['version'] = "Unknown";
// Modified chris
$bd['pda'] = false;
$bd['aol'] = false;
$bd['major'] = "Unknown";
$bd['minor'] = "Unknown";
$this->UserAgent = $agent;
// find operating system
if (eregi("windows ce", $agent)) {
$bd['platform'] = "Windows CE";
$bd['pda'] = true;
}
elseif (eregi("palm", $agent)) {
$bd['platform'] = "Palm";
$bd['pda'] = true;
}
elseif (eregi("embed", $agent)) {
$bd['platform'] = "Zaurus";
$bd['pda'] = true;
}
elseif (eregi("win", $agent))
$bd['platform'] = "Windows";
elseif (eregi("mac", $agent))
$bd['platform'] = "MacIntosh";
elseif (eregi("linux", $agent))
$bd['platform'] = "Linux";
elseif (eregi("OS/2", $agent))
$bd['platform'] = "OS/2";
elseif (eregi("BeOS", $agent))
$bd['platform'] = "BeOS";
// test for Opera
if (eregi("opera",$agent)){
$val = stristr($agent, "opera");
if (eregi("/", $val)){
$val = explode("/",$val);
$bd['browser'] = $val[0];
$val = explode(" ",$val[1]);
$bd['version'] = $val[0];
}else{
$val = explode(" ",stristr($val,"opera"));
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
}
// test for WebTV
}elseif(eregi("webtv",$agent)){
$val = explode("/",stristr($agent,"webtv"));
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for MS Internet Explorer version 1
}elseif(eregi("microsoft internet explorer", $agent)){
$bd['browser'] = "MSIE";
$bd['version'] = "1.0";
$var = stristr($agent, "/");
if (ereg("308|425|426|474|0b1", $var)){
$bd['version'] = "1.5";
}
// test for NetPositive
}elseif(eregi("NetPositive", $agent)){
$val = explode("/",stristr($agent,"NetPositive"));
$bd['platform'] = "BeOS";
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for MS Internet Explorer
}elseif(eregi("msie",$agent) && !eregi("opera",$agent)){
$val = explode(" ",stristr($agent,"msie"));
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for MS Pocket Internet Explorer
}elseif(eregi("mspie",$agent) || eregi('pocket', $agent)){
$val = explode(" ",stristr($agent,"mspie"));
$bd['browser'] = "MSPIE";
$bd['platform'] = "Windows CE";
$bd['pda'] = true;
if (eregi("mspie", $agent))
$bd['version'] = $val[1];
else {
$val = explode("/",$agent);
$bd['version'] = $val[1];
}
// test for Galeon
}elseif(eregi("galeon",$agent)){
$val = explode(" ",stristr($agent,"galeon"));
$val = explode("/",$val[0]);
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for Konqueror
}elseif(eregi("Konqueror",$agent)){
$val = explode(" ",stristr($agent,"Konqueror"));
$val = explode("/",$val[0]);
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for iCab
}elseif(eregi("icab",$agent)){
$val = explode(" ",stristr($agent,"icab"));
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for OmniWeb
}elseif(eregi("omniweb",$agent)){
$val = explode("/",stristr($agent,"omniweb"));
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
// test for Phoenix
}elseif(eregi("Phoenix", $agent)){
$bd['browser'] = "Phoenix";
$val = explode(" ",stristr($agent,"rv:"));
eregi("rv:[0-9].[0-9][a-b]",$agent,$val);
$bd['version'] = str_replace("rv:","",$val[0]);
// test for Firebird
}elseif(eregi("firebird", $agent)){
$bd['browser']="Firebird";
$val = stristr($agent, "Firebird");
$val = explode("/",$val);
$bd['version'] = $val[1];
// test for Mozilla Alpha/Beta Versions
}elseif(eregi("mozilla",$agent) &&
eregi("rv:[0-9].[0-9][a-b]",$agent) && !eregi("netscape",$agent)){
$bd['browser'] = "Mozilla";
$val = explode(" ",stristr($agent,"rv:"));
eregi("rv:[0-9].[0-9][a-b]",$agent,$val);
$bd['version'] = str_replace("rv:","",$val[0]);
// test for Mozilla Stable Versions
}elseif(eregi("mozilla",$agent) &&
eregi("rv:[0-9]\.[0-9]",$agent) && !eregi("netscape",$agent)){
$bd['browser'] = "Mozilla";
$val = explode(" ",stristr($agent,"rv:"));
eregi("rv:[0-9]\.[0-9]\.[0-9]",$agent,$val);
$bd['version'] = str_replace("rv:","",$val[0]);
// test for Lynx & Amaya
}elseif(eregi("libwww", $agent)){
if (eregi("amaya", $agent)){
$val = explode("/",stristr($agent,"amaya"));
$bd['browser'] = "Amaya";
$val = explode(" ", $val[1]);
$bd['version'] = $val[0];
} else {
$val = explode("/",$agent);
$bd['browser'] = "Lynx";
$bd['version'] = $val[1];
}
// test for Safari
}elseif(eregi("safari", $agent)){
$bd['browser'] = "Safari";
$bd['version'] = "";
// remaining two tests are for Netscape
}elseif(eregi("netscape",$agent)){
$val = explode(" ",stristr($agent,"netscape"));
$val = explode("/",$val[0]);
$bd['browser'] = $val[0];
$bd['version'] = $val[1];
}elseif(eregi("mozilla",$agent) && !eregi("rv:[0-9]\.[0-9]\.[0-9]",$agent)){
$val = explode(" ",stristr($agent,"mozilla"));
$val = explode("/",$val[0]);
$bd['browser'] = "Netscape";
$bd['version'] = $val[1];
}
// clean up extraneous garbage that may be in the name
$bd['browser'] = ereg_replace("[^a-z,A-Z]", "", $bd['browser']);
// clean up extraneous garbage that may be in the version
$bd['version'] = ereg_replace("[^0-9,.,a-z,A-Z]", "", $bd['version']);
// split version into major and minor
list($bd['major'],$bd['minor']) = split("\.",$bd['version']);
// check for AOL
if (eregi("AOL", $agent)){
$var = stristr($agent, "AOL");
$var = explode(" ", $var);
$bd['aol'] = ereg_replace("[^0-9,.,a-z,A-Z]", "", $var[1]);
}
// finally assign our properties
$this->Name = $bd['browser'];
$this->Version = $bd['version'];
$this->Major = $bd['major'];
$this->Minor = $bd['minor'];
$this->Platform = $bd['platform'];
$this->AOL = $bd['aol'];
$this->PDA = $bd['pda'];
}
}
#
# These are some user agents for testing
#
#$br = new Browser("Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; m18) Gecko/20001108 Netscape6/6.0");
#$br = new Browser("Mozilla/4.61 [en] (WinNT; I)"); // Netscape 4.61
#$br = new Browser("Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007");
#$br = new Browser("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) Opera 7.22 [en]");
#$br = new Browser("Mozilla/2.0 (compatible; MSIE 3.02; Windows CE; PPC; 240x320");
#$br = new Browser("Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624");
#$br = new Browser("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322");
#$br = new Browser("Mozilla/4.76 (compatible; MSIE 6.0; U; Windows 95; PalmSource; PalmOS; WebPro; Tungsten Proxyless 32");
#$br = new Browser("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322");
#$br = new Browser("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1");
#$br = new Browser("Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5a) Gecko/20030728 Mozilla Firebird/0.6.1");
#$br = new Browser("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322");
#echo "$br->Platform, $br->Name version $br->Version<br>";
#echo "$br->Major, $br->Minor<br>";
#echo ($br->PDA) ? "PDA" : "Not a PDA";
?>