Source for file Browser.php
Documentation is available at Browser.php
* Author: Chris Schuld (http://chrisschuld.com/)
* Last Modified: August 20th, 2010
* Copyright (C) 2008-2010 Chris Schuld (chris@chrisschuld.com)
* 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 = new Browser();
* if( $browser->getBrowser() == Browser::BROWSER_FIREFOX && $browser->getVersion() >= 2 ) {
* echo 'You have FireFox version 2 or greater';
* User Agents Sampled from: http://www.useragentstring.com/
* This implementation is based on the original work from Gary White
* http://apptools.com/phptools/browser/
* + Added MSN Explorer Browser (legacy)
* + Added Bing/MSN Robot (Thanks Rob MacDonald)
* + Added the Android Platform (PLATFORM_ANDROID)
* + Fixed issue with Android 1.6/2.2 (Thanks Tom Hirashima)
* + *MAJOR* Rebuild (preg_match and other "slow" routine removal(s))
* + Almost allof Gary's original code has been replaced
* + Large PHPUNIT testing environment created to validate new releases and additions
* + Added FreeBSD Platform
* + Added OpenBSD Platform
* + Added NetBSD Platform
* + Added OpenSolaris Platform
* + Added support of the Iceweazel Browser
* + Added isChromeFrame() call to check if chromeframe is in use
* + Moved the Opera check in front of the Firefox check due to legacy Opera User Agents
* + Added the __toString() method (Thanks Deano)
* + Updated the checkes for Firefox
* + Added the NOKIA platform
* + Added Checks for the NOKIA brower(s)
* + Added support for BlackBerry OS and BlackBerry browser
* + Added support for the Opera Mini browser
* + Added additional documenation
* + Added support for isRobot() and isMobile()
* + Added support for Opera version 10
* + Added support for deprecated Netscape Navigator version 9
* + Added support for IceCat
* + Added support for Shiretoko
* + Updated to support PHP 5.3 - removed all deprecated function calls
* + Updated to remove all double quotes (") -- converted to single quotes (')
* + Updated the IE check to remove a typo and bug (thanks John)
* + Added detection for GoogleBot
* + Added detection for the W3C Validator.
* + Added detection for Yahoo! Slurp
* + Added detection for iPods.
* + Added Platform detection for iPhones
* + Added Platform detection for iPods
* 2009-02-16: (Rick Hale)
* + Added version detection for Android phones.
* + Removed unused constant
* + Added Google's Chrome to the detection list
* + Added isBrowser(string) to the list of functions special thanks to
* Daniel 'mavrick' Lang for the function concept (http://mavrick.id.au)
* Gary White noted: "Since browser detection is so unreliable, I am
* no longer maintaining this script. You are free to use and or
* modify/update it as you want, however the author assumes no
* responsibility for the accuracy of the detected values."
* Anyone experienced with Gary's script might be interested in these notes:
* Added detection and version detection for Google's Chrome
* Updated the version detection for Amaya
* Updated the version detection for Firefox
* Updated the version detection for Lynx
* Updated the version detection for WebTV
* Updated the version detection for NetPositive
* Updated the version detection for IE
* Updated the version detection for OmniWeb
* Updated the version detection for iCab
* Updated the version detection for Safari
* Updated Safari to remove mobile devices (iPhone)
* Added detection for iPhone
* Added detection for robots
* Added detection for mobile devices
* Added detection for BlackBerry
* Removed Netscape checks (matches heavily with firefox & mozilla)
const BROWSER_UNKNOWN = 'unknown';
const VERSION_UNKNOWN = 'unknown';
const BROWSER_OPERA = 'Opera'; // http://www.opera.com/
const BROWSER_OPERA_MINI = 'Opera Mini'; // http://www.opera.com/mini/
const BROWSER_WEBTV = 'WebTV'; // http://www.webtv.net/pc/
const BROWSER_IE = 'Internet Explorer'; // http://www.microsoft.com/ie/
const BROWSER_POCKET_IE = 'Pocket Internet Explorer'; // http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
const BROWSER_KONQUEROR = 'Konqueror'; // http://www.konqueror.org/
const BROWSER_ICAB = 'iCab'; // http://www.icab.de/
const BROWSER_OMNIWEB = 'OmniWeb'; // http://www.omnigroup.com/applications/omniweb/
const BROWSER_FIREBIRD = 'Firebird'; // http://www.ibphoenix.com/
const BROWSER_FIREFOX = 'Firefox'; // http://www.mozilla.com/en-US/firefox/firefox.html
const BROWSER_ICEWEASEL = 'Iceweasel'; // http://www.geticeweasel.org/
const BROWSER_SHIRETOKO = 'Shiretoko'; // http://wiki.mozilla.org/Projects/shiretoko
const BROWSER_MOZILLA = 'Mozilla'; // http://www.mozilla.com/en-US/
const BROWSER_AMAYA = 'Amaya'; // http://www.w3.org/Amaya/
const BROWSER_LYNX = 'Lynx'; // http://en.wikipedia.org/wiki/Lynx
const BROWSER_SAFARI = 'Safari'; // http://apple.com
const BROWSER_IPHONE = 'iPhone'; // http://apple.com
const BROWSER_IPOD = 'iPod'; // http://apple.com
const BROWSER_IPAD = 'iPad'; // http://apple.com
const BROWSER_CHROME = 'Chrome'; // http://www.google.com/chrome
const BROWSER_ANDROID = 'Android'; // http://www.android.com/
const BROWSER_GOOGLEBOT = 'GoogleBot'; // http://en.wikipedia.org/wiki/Googlebot
const BROWSER_SLURP = 'Yahoo! Slurp'; // http://en.wikipedia.org/wiki/Yahoo!_Slurp
const BROWSER_W3CVALIDATOR = 'W3C Validator'; // http://validator.w3.org/
const BROWSER_BLACKBERRY = 'BlackBerry'; // http://www.blackberry.com/
const BROWSER_ICECAT = 'IceCat'; // http://en.wikipedia.org/wiki/GNU_IceCat
const BROWSER_NOKIA_S60 = 'Nokia S60 OSS Browser'; // http://en.wikipedia.org/wiki/Web_Browser_for_S60
const BROWSER_NOKIA = 'Nokia Browser'; // * all other WAP-based browsers on the Nokia Platform
const BROWSER_MSN = 'MSN Browser'; // http://explorer.msn.com/
const BROWSER_MSNBOT = 'MSN Bot'; // http://search.msn.com/msnbot.htm
// http://en.wikipedia.org/wiki/Msnbot (used for Bing as well)
const BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator'; // http://browser.netscape.com/ (DEPRECATED)
const BROWSER_GALEON = 'Galeon'; // http://galeon.sourceforge.net/ (DEPRECATED)
const BROWSER_NETPOSITIVE = 'NetPositive'; // http://en.wikipedia.org/wiki/NetPositive (DEPRECATED)
const BROWSER_PHOENIX = 'Phoenix'; // http://en.wikipedia.org/wiki/History_of_Mozilla_Firefox (DEPRECATED)
const PLATFORM_UNKNOWN = 'unknown';
const PLATFORM_WINDOWS = 'Windows';
const PLATFORM_WINDOWS_CE = 'Windows CE';
const PLATFORM_APPLE = 'Apple';
const PLATFORM_LINUX = 'Linux';
const PLATFORM_OS2 = 'OS/2';
const PLATFORM_BEOS = 'BeOS';
const PLATFORM_IPHONE = 'iPhone';
const PLATFORM_IPOD = 'iPod';
const PLATFORM_IPAD = 'iPad';
const PLATFORM_BLACKBERRY = 'BlackBerry';
const PLATFORM_NOKIA = 'Nokia';
const PLATFORM_FREEBSD = 'FreeBSD';
const PLATFORM_OPENBSD = 'OpenBSD';
const PLATFORM_NETBSD = 'NetBSD';
const PLATFORM_SUNOS = 'SunOS';
const PLATFORM_OPENSOLARIS = 'OpenSolaris';
const PLATFORM_ANDROID = 'Android';
const OPERATING_SYSTEM_UNKNOWN = 'unknown';
public function Browser($useragent= "") {
public function reset() {
$this->_agent = isset ($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
$this->_version = self::VERSION_UNKNOWN;
$this->_os = self::OPERATING_SYSTEM_UNKNOWN;
* Check to see if the specific browser is valid
* @param string $browserName
* @return True if the browser is the specified browser
* The name of the browser. All return types are from the class contants
* @return string Name of the browser
* Set the name of the browser
* @param $browser The name of the Browser
* The name of the platform. All return types are from the class contants
* @return string Name of the browser
* Set the name of the platform
* @param $platform The name of the Platform
* The version of the browser.
* @return string Version of the browser (will only contain alpha-numeric characters and a period)
* Set the version of the browser
* @param $version The version of the Browser
* @return string Version of AOL (will only contain alpha-numeric characters and a period)
* @param $version The version of AOL
* Is the browser from AOL?
* @return boolean True if the browser is from AOL otherwise false
* Is the browser from a mobile device?
* @return boolean True if the browser is from a mobile device otherwise false
* Is the browser from a robot (ex Slurp,GoogleBot)?
* @return boolean True if the browser is from a robot otherwise false
* Set the browser to be from AOL
* Set the Browser to be mobile
* @param boolean $value is the browser a mobile brower or not
* Set the Browser to be a robot
* @param boolean $value is the browser a robot or not
* Get the user agent value in use to determine the browser
* @return string The user agent from the HTTP header
* Set the user agent value (the construction will use the HTTP header value - this will overwrite it)
* @param $agent_string The value for the User Agent
$this->_agent = $agent_string;
* Used to determine if the browser is actually "chromeframe"
* @return boolean True if the browser is using chromeframe
* Returns a formatted string with a summary of the details of the browser.
* @return string formatted string with a summary of the browser
return "<strong>Browser Name:</strong>{$this->getBrowser()}<br/>\n " .
"<strong>Browser Version:</strong>{$this->getVersion()}<br/>\n " .
"<strong>Browser User Agent String:</strong>{$this->getUserAgent()}<br/>\n " .
"<strong>Platform:</strong>{$this->getPlatform()}<br/> ";
* Protected routine to calculate and determine what the browser is in use (including platform)
* Protected routine to determine the browser type
* @return boolean True if the browser was detected otherwise false
// (1) Opera must be checked before FireFox due to the odd
// user agents used in some older versions of Opera
// (2) WebTV is strapped onto Internet Explorer so we must
// check for WebTV before IE
// (3) (deprecated) Galeon is based on Firefox and needs to be
// tested before Firefox is tested
// (4) OmniWeb is based on Safari so OmniWeb check must occur
// (5) Netscape 9+ is based on Firefox so Netscape checks
// before FireFox are necessary
// WebKit base check (post mobile and others)
$this->checkBrowserMozilla() /* Mozilla is such an open standard that you must check it last */
* Determine if the user is using a BlackBerry (last updated 1.7)
* @return boolean True if the browser is the BlackBerry browser otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the user is using an AOL User Agent (last updated 1.7)
* @return boolean True if the browser is from AOL otherwise false
* Determine if the browser is the GoogleBot or not (last updated 1.7)
* @return boolean True if the browser is the GoogletBot otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is the MSNBot or not (last updated 1.9)
* @return boolean True if the browser is the MSNBot otherwise false
$aversion = explode(" ",$aresult[1]);
* Determine if the browser is the W3C Validator or not (last updated 1.7)
* @return boolean True if the browser is the W3C Validator otherwise false
$aversion = explode(' ',$aresult[1]);
// Some of the Validator versions do not delineate w/ a slash - add it back in
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is the Yahoo! Slurp Robot or not (last updated 1.7)
* @return boolean True if the browser is the Yahoo! Slurp Robot otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is Internet Explorer or not (last updated 1.7)
* @return boolean True if the browser is Internet Explorer otherwise false
if( stripos($this->_agent,'microsoft internet explorer') !== false ) {
if( preg_match('/308|425|426|474|0b1/i', $aresult) ) {
// Test for versions > 1.5
// See if the browser is the odd MSN Explorer
* Determine if the browser is Opera or not (last updated 1.7)
* @return boolean True if the browser is Opera otherwise false
$aresult = explode('/',$resultant);
$aversion = explode(' ',$aresult[1]);
if( preg_match('/Version\/(10.*)$/',$resultant,$matches) ) {
$aversion = explode(' ',$aresult[1]);
$this->setVersion(isset ($aversion[1])? $aversion[1]: "");
* Determine if the browser is Chrome or not (last updated 1.7)
* @return boolean True if the browser is Chrome otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is WebTv or not (last updated 1.7)
* @return boolean True if the browser is WebTv otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is NetPositive or not (last updated 1.7)
* @return boolean True if the browser is NetPositive otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is Galeon or not (last updated 1.7)
* @return boolean True if the browser is Galeon otherwise false
$aversion = explode('/',$aresult[0]);
* Determine if the browser is Konqueror or not (last updated 1.7)
* @return boolean True if the browser is Konqueror otherwise false
$aversion = explode('/',$aresult[0]);
* Determine if the browser is iCab or not (last updated 1.7)
* @return boolean True if the browser is iCab otherwise false
* Determine if the browser is OmniWeb or not (last updated 1.7)
* @return boolean True if the browser is OmniWeb otherwise false
$aversion = explode(' ',isset ($aresult[1])? $aresult[1]: "");
* Determine if the browser is Phoenix or not (last updated 1.7)
* @return boolean True if the browser is Phoenix otherwise false
* Determine if the browser is Firebird or not (last updated 1.7)
* @return boolean True if the browser is Firebird otherwise false
* Determine if the browser is Netscape Navigator 9+ or not (last updated 1.7)
* NOTE: (http://browser.netscape.com/ - Official support ended on March 1st, 2008)
* @return boolean True if the browser is Netscape Navigator 9+ otherwise false
$this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);
$this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);
* Determine if the browser is Shiretoko or not (https://wiki.mozilla.org/Projects/shiretoko) (last updated 1.7)
* @return boolean True if the browser is Shiretoko otherwise false
* Determine if the browser is Ice Cat or not (http://en.wikipedia.org/wiki/GNU_IceCat) (last updated 1.7)
* @return boolean True if the browser is Ice Cat otherwise false
* Determine if the browser is Nokia or not (last updated 1.7)
* @return boolean True if the browser is Nokia otherwise false
* Determine if the browser is Firefox or not (last updated 1.7)
* @return boolean True if the browser is Firefox otherwise false
* Determine if the browser is Firefox or not (last updated 1.7)
* @return boolean True if the browser is Firefox otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is Mozilla or not (last updated 1.7)
* @return boolean True if the browser is Mozilla otherwise false
* Determine if the browser is Lynx or not (last updated 1.7)
* @return boolean True if the browser is Lynx otherwise false
$aversion = explode(' ',(isset ($aresult[1])? $aresult[1]: ""));
* Determine if the browser is Amaya or not (last updated 1.7)
* @return boolean True if the browser is Amaya otherwise false
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is Safari or not (last updated 1.7)
* @return boolean True if the browser is Safari otherwise false
if( isset ($aresult[1]) ) {
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is iPhone or not (last updated 1.7)
* @return boolean True if the browser is iPhone otherwise false
if( isset ($aresult[1]) ) {
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is iPod or not (last updated 1.7)
* @return boolean True if the browser is iPod otherwise false
if( isset ($aresult[1]) ) {
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is iPod or not (last updated 1.7)
* @return boolean True if the browser is iPod otherwise false
if( isset ($aresult[1]) ) {
$aversion = explode(' ',$aresult[1]);
* Determine if the browser is Android or not (last updated 1.7)
* @return boolean True if the browser is Android otherwise false
if( isset ($aresult[1]) ) {
$aversion = explode(' ',$aresult[1]);
* Determine the user's platform (last updated 1.7)
$this->_platform = self::PLATFORM_BLACKBERRY;
$this->_platform = self::PLATFORM_OPENSOLARIS;
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