php检查浏览器和操作系统

<?php

    /**

     * File: Browser.php

     * Author: Chris Schuld (https://chrisschuld.com/)

     * https://chrisschuld.com/projects/browser-php-detecting-a-users-browser-from-php/

     * Last Modified: August 20th, 2010

     * @version 1.9

     * @package PegasusPHP

     *

     * 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:

     * https://www.gnu.org/copyleft/gpl.html

     *

     *

     * Typical Usage:

     *

     *   $browser = new Browser();

     *   if( $browser->getBrowser() == Browser::BROWSER_FIREFOX && $browser->getVersion() >= 2 ) {

     *      echo 'You have FireFox version 2 or greater';

     *   }

     *

     * User Agents Sampled from: https://www.useragentstring.com/

     *

     * This implementation is based on the original work from Gary White

     * https://apptools.com/phptools/browser/

     *

     * UPDATES:

     *

     * 2010-08-20 (v1.9):

     *  + 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)

     *

     * 2010-04-27 (v1.8):

     *  + Added iPad Support

     *

     * 2010-03-07 (v1.7):

     *  + *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 SunOS 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)

     *

     * 2009-11-15:

     *  + Updated the checkes for Firefox

     *  + Added the NOKIA platform

     *  + Added Checks for the NOKIA brower(s)

     *  

     * 2009-11-08:

     *  + PHP 5.3 Support

     *  + 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

     *

     * 2010-04-27 (v1.8):

     *  + Added iPad Support

     *

     * 2009-08-18:

     *  + Updated to support PHP 5.3 - removed all deprecated function calls

     *  + Updated to remove all double quotes (") -- converted to single quotes (')

     *

     * 2009-04-27:

     *  + Updated the IE check to remove a typo and bug (thanks John)

     *

     * 2009-04-22:

     *  + Added detection for GoogleBot

     *  + Added detection for the W3C Validator.

     *  + Added detection for Yahoo! Slurp

     *

     * 2009-03-14:

     *  + 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.

     *

     * 2008-12-09:

     *  + Removed unused constant

     *

     * 2008-11-07:

     *  + 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 (https://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 class constants

     *   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)

     *

     */

 

    class Browser {

        private $_agent = '';

        private $_browser_name = '';

        private $_version = '';

        private $_platform = '';

        private $_os = '';

        private $_is_aol = false;

        private $_is_mobile = false;

        private $_is_robot = false;

        private $_aol_version = '';

 

        const BROWSER_UNKNOWN = 'unknown';

        const VERSION_UNKNOWN = 'unknown';

 

        const BROWSER_OPERA = 'Opera';// https://www.opera.com/

        const BROWSER_OPERA_MINI = 'Opera Mini';  // https://www.opera.com/mini/

        const BROWSER_WEBTV = 'WebTV';// https://www.webtv.net/pc/

        const BROWSER_IE = 'Internet Explorer';   // https://www.microsoft.com/ie/

        const BROWSER_POCKET_IE = 'Pocket Internet Explorer'; // https://en.wikipedia.org/wiki/Internet_Explorer_Mobile

        const BROWSER_KONQUEROR = 'Konqueror';// https://www.konqueror.org/

        const BROWSER_ICAB = 'iCab';  // https://www.icab.de/

        const BROWSER_OMNIWEB = 'OmniWeb';// https://www.omnigroup.com/applications/omniweb/

        const BROWSER_FIREBIRD = 'Firebird';  // https://www.ibphoenix.com/

        const BROWSER_FIREFOX = 'Firefox';// https://www.mozilla.com/en-US/firefox/firefox.html

        const BROWSER_ICEWEASEL = 'Iceweasel';// https://www.geticeweasel.org/

        const BROWSER_SHIRETOKO = 'Shiretoko';// https://wiki.mozilla.org/Projects/shiretoko

        const BROWSER_MOZILLA = 'Mozilla';// https://www.mozilla.com/en-US/

        const BROWSER_AMAYA = 'Amaya';// https://www.w3.org/Amaya/

        const BROWSER_LYNX = 'Lynx';  // https://en.wikipedia.org/wiki/Lynx

        const BROWSER_SAFARI = 'Safari';  // https://apple.com

        const BROWSER_IPHONE = 'iPhone';  // https://apple.com

        const BROWSER_IPOD = 'iPod';  // https://apple.com

        const BROWSER_IPAD = 'iPad';  // https://apple.com

        const BROWSER_CHROME = 'Chrome';  // https://www.google.com/chrome

        const BROWSER_ANDROID = 'Android';// https://www.android.com/

        const BROWSER_GOOGLEBOT = 'GoogleBot';// https://en.wikipedia.org/wiki/Googlebot

        const BROWSER_SLURP = 'Yahoo! Slurp'; // https://en.wikipedia.org/wiki/Yahoo!_Slurp

        const BROWSER_W3CVALIDATOR = 'W3C Validator'; // https://validator.w3.org/

        const BROWSER_BLACKBERRY = 'BlackBerry';  // https://www.blackberry.com/

        const BROWSER_ICECAT = 'IceCat';  // https://en.wikipedia.org/wiki/GNU_IceCat

        const BROWSER_NOKIA_S60 = 'Nokia S60 OSS Browser';// https://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';// https://explorer.msn.com/

        const BROWSER_MSNBOT = 'MSN Bot'; // https://search.msn.com/msnbot.htm

          // https://en.wikipedia.org/wiki/Msnbot  (used for Bing as well)

         

        const BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator';  // https://browser.netscape.com/ (DEPRECATED)

        const BROWSER_GALEON = 'Galeon';  // https://galeon.sourceforge.net/ (DEPRECATED)

        const BROWSER_NETPOSITIVE = 'NetPositive';// https://en.wikipedia.org/wiki/NetPositive (DEPRECATED)

        const BROWSER_PHOENIX = 'Phoenix';// https://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="") {

            $this->reset();

            if( $useragent != "" ) {

                $this->setUserAgent($useragent);

            }

            else {

                $this->determine();

            }

        }

 

        /**

        * Reset all properties

        */

        public function reset() {

            $this->_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";

            $this->_browser_name = self::BROWSER_UNKNOWN;

            $this->_version = self::VERSION_UNKNOWN;

            $this->_platform = self::PLATFORM_UNKNOWN;

            $this->_os = self::OPERATING_SYSTEM_UNKNOWN;

            $this->_is_aol = false;

            $this->_is_mobile = false;

            $this->_is_robot = false;

            $this->_aol_version = self::VERSION_UNKNOWN;

        }

 

        /**

        * Check to see if the specific browser is valid

        * @param string $browserName

        * @return True if the browser is the specified browser

        */

        function isBrowser($browserName) { return( 0 == strcasecmp($this->_browser_name, trim($browserName))); }

 

        /**

        * The name of the browser.  All return types are from the class contants

        * @return string Name of the browser

        */

        public function getBrowser() { return $this->_browser_name; }

        /**

        * Set the name of the browser

        * @param $browser The name of the Browser

        */

        public function setBrowser($browser) { return $this->_browser_name = $browser; }

        /**

        * The name of the platform.  All return types are from the class contants

        * @return string Name of the browser

        */

        public function getPlatform() { return $this->_platform; }

        /**

        * Set the name of the platform

        * @param $platform The name of the Platform

        */

        public function setPlatform($platform) { return $this->_platform = $platform; }

        /**

        * The version of the browser.

        * @return string Version of the browser (will only contain alpha-numeric characters and a period)

        */

        public function getVersion() { return $this->_version; }

        /**

        * Set the version of the browser

        * @param $version The version of the Browser

        */

        public function setVersion($version) { $this->_version = preg_replace('/[^0-9,.,a-z,A-Z-]/','',$version); }

        /**

        * The version of AOL.

        * @return string Version of AOL (will only contain alpha-numeric characters and a period)

        */

        public function getAolVersion() { return $this->_aol_version; }

        /**

        * Set the version of AOL

        * @param $version The version of AOL

        */

        public function setAolVersion($version) { $this->_aol_version = preg_replace('/[^0-9,.,a-z,A-Z]/','',$version); }

        /**

        * Is the browser from AOL?

        * @return boolean True if the browser is from AOL otherwise false

        */

        public function isAol() { return $this->_is_aol; }

        /**

        * Is the browser from a mobile device?

        * @return boolean True if the browser is from a mobile device otherwise false

        */

        public function isMobile() { return $this->_is_mobile; }

        /**

        * Is the browser from a robot (ex Slurp,GoogleBot)?

        * @return boolean True if the browser is from a robot otherwise false

        */

        public function isRobot() { return $this->_is_robot; }

        /**

        * Set the browser to be from AOL

        * @param $isAol

        */

        public function setAol($isAol) { $this->_is_aol = $isAol; }

        /**

         * Set the Browser to be mobile

         * @param boolean $value is the browser a mobile brower or not

         */

        protected function setMobile($value=true) { $this->_is_mobile = $value; }

        /**

         * Set the Browser to be a robot

         * @param boolean $value is the browser a robot or not

         */

        protected function setRobot($value=true) { $this->_is_robot = $value; }

        /**

        * Get the user agent value in use to determine the browser

        * @return string The user agent from the HTTP header

        */

        public function getUserAgent() { return $this->_agent; }

        /**

        * 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

        */

        public function setUserAgent($agent_string) {

            $this->reset();

            $this->_agent = $agent_string;

            $this->determine();

        }

        /**

         * Used to determine if the browser is actually "chromeframe"

         * @since 1.7

         * @return boolean True if the browser is using chromeframe

         */

        public function isChromeFrame() {

            return( strpos($this->_agent,"chromeframe") !== false );

        }

        /**

        * Returns a formatted string with a summary of the details of the browser.

        * @return string formatted string with a summary of the browser

        */

        public function __toString() {

            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 function determine() {

            $this->checkPlatform();

            $this->checkBrowsers();

            $this->checkForAol();

        }

        /**

         * Protected routine to determine the browser type

         * @return boolean True if the browser was detected otherwise false

         */

         protected function checkBrowsers() {

            return (

                // well-known, well-used

                // Special Notes:

                // (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

                // before Safari

                // (5) Netscape 9+ is based on Firefox so Netscape checks

                // before FireFox are necessary

                $this->checkBrowserWebTv() ||

                $this->checkBrowserInternetExplorer() ||

                $this->checkBrowserOpera() ||

                $this->checkBrowserGaleon() ||

                $this->checkBrowserNetscapeNavigator9Plus() ||

                $this->checkBrowserFirefox() ||

                $this->checkBrowserChrome() ||

                $this->checkBrowserOmniWeb() ||

 

                // common mobile

                $this->checkBrowserAndroid() ||

                $this->checkBrowseriPad() ||

                $this->checkBrowseriPod() ||

                $this->checkBrowseriPhone() ||

                $this->checkBrowserBlackBerry() ||

                $this->checkBrowserNokia() ||

 

                // common bots

                $this->checkBrowserGoogleBot() ||

                $this->checkBrowserMSNBot() ||

                $this->checkBrowserSlurp() ||

 

                // WebKit base check (post mobile and others)

                $this->checkBrowserSafari() ||

                 

                // everyone else

                $this->checkBrowserNetPositive() ||

                $this->checkBrowserFirebird() ||

                $this->checkBrowserKonqueror() ||

                $this->checkBrowserIcab() ||

                $this->checkBrowserPhoenix() ||

                $this->checkBrowserAmaya() ||

                $this->checkBrowserLynx() ||

                $this->checkBrowserShiretoko() ||

                $this->checkBrowserIceCat() ||

                $this->checkBrowserW3CValidator() ||

                $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

     */

    protected function checkBrowserBlackBerry() {

        if( stripos($this->_agent,'blackberry') !== false ) {

            $aresult = explode("/",stristr($this->_agent,"BlackBerry"));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->_browser_name = self::BROWSER_BLACKBERRY;

            $this->setMobile(true);

            return true;

        }

        return false;

    }

 

    /**

     * 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

     */

    protected function checkForAol() {

            $this->setAol(false);

            $this->setAolVersion(self::VERSION_UNKNOWN);

 

            if( stripos($this->_agent,'aol') !== false ) {

            $aversion = explode(' ',stristr($this->_agent, 'AOL'));

            $this->setAol(true);

            $this->setAolVersion(preg_replace('/[^0-9\.a-z]/i', '', $aversion[1]));

            return true;

        }

        return 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

     */

    protected function checkBrowserGoogleBot() {

        if( stripos($this->_agent,'googlebot') !== false ) {

                $aresult = explode('/',stristr($this->_agent,'googlebot'));

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion(str_replace(';','',$aversion[0]));

                $this->_browser_name = self::BROWSER_GOOGLEBOT;

                $this->setRobot(true);

                return true;

        }

        return false;

    }

 

        /**

     * Determine if the browser is the MSNBot or not (last updated 1.9)

     * @return boolean True if the browser is the MSNBot otherwise false

     */

        protected function checkBrowserMSNBot() {

            if( stripos($this->_agent,"msnbot") !== false ) {

                $aresult = explode("/",stristr($this->_agent,"msnbot"));

                $aversion = explode(" ",$aresult[1]);

                $this->setVersion(str_replace(";","",$aversion[0]));

                $this->_browser_name = self::BROWSER_MSNBOT;

                $this->setRobot(true);

                return true;

            }

            return false;

        }   

     

    /**

     * 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

     */

    protected function checkBrowserW3CValidator() {

        if( stripos($this->_agent,'W3C-checklink') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'W3C-checklink'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->_browser_name = self::BROWSER_W3CVALIDATOR;

            return true;

        }

        else if( stripos($this->_agent,'W3C_Validator') !== false ) {

                // Some of the Validator versions do not delineate w/ a slash - add it back in

                $ua = str_replace("W3C_Validator ", "W3C_Validator/", $this->_agent);

            $aresult = explode('/',stristr($ua,'W3C_Validator'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->_browser_name = self::BROWSER_W3CVALIDATOR;

            return true;

        }

        return false;

    }

 

    /**

     * 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

     */

    protected function checkBrowserSlurp() {

        if( stripos($this->_agent,'slurp') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Slurp'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->_browser_name = self::BROWSER_SLURP;

                $this->setRobot(true);

                $this->setMobile(false);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Internet Explorer or not (last updated 1.7)

     * @return boolean True if the browser is Internet Explorer otherwise false

     */

    protected function checkBrowserInternetExplorer() {

 

        // Test for v1 - v1.5 IE

        if( stripos($this->_agent,'microsoft internet explorer') !== false ) {

            $this->setBrowser(self::BROWSER_IE);

            $this->setVersion('1.0');

            $aresult = stristr($this->_agent, '/');

            if( preg_match('/308|425|426|474|0b1/i', $aresult) ) {

                $this->setVersion('1.5');

            }

                return true;

        }

        // Test for versions > 1.5

        else if( stripos($this->_agent,'msie') !== false && stripos($this->_agent,'opera') === false ) {

            // See if the browser is the odd MSN Explorer

            if( stripos($this->_agent,'msnb') !== false ) {

                $aresult = explode(' ',stristr(str_replace(';','; ',$this->_agent),'MSN'));

                $this->setBrowser( self::BROWSER_MSN );

                $this->setVersion(str_replace(array('(',')',';'),'',$aresult[1]));

                return true;

            }

            $aresult = explode(' ',stristr(str_replace(';','; ',$this->_agent),'msie'));

            $this->setBrowser( self::BROWSER_IE );

            $this->setVersion(str_replace(array('(',')',';'),'',$aresult[1]));

            return true;

        }

        // Test for Pocket IE

        else if( stripos($this->_agent,'mspie') !== false || stripos($this->_agent,'pocket') !== false ) {

            $aresult = explode(' ',stristr($this->_agent,'mspie'));

            $this->setPlatform( self::PLATFORM_WINDOWS_CE );

            $this->setBrowser( self::BROWSER_POCKET_IE );

            $this->setMobile(true);

 

            if( stripos($this->_agent,'mspie') !== false ) {

                $this->setVersion($aresult[1]);

            }

            else {

                $aversion = explode('/',$this->_agent);

                $this->setVersion($aversion[1]);

            }

            return true;

        }

            return false;

    }

 

    /**

     * Determine if the browser is Opera or not (last updated 1.7)

     * @return boolean True if the browser is Opera otherwise false

     */

    protected function checkBrowserOpera() {

        if( stripos($this->_agent,'opera mini') !== false ) {

            $resultant = stristr($this->_agent, 'opera mini');

            if( preg_match('/\//',$resultant) ) {

                $aresult = explode('/',$resultant);

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

                }

            else {

                $aversion = explode(' ',stristr($resultant,'opera mini'));

                $this->setVersion($aversion[1]);

            }

            $this->_browser_name = self::BROWSER_OPERA_MINI;

                $this->setMobile(true);

                return true;

        }

        else if( stripos($this->_agent,'opera') !== false ) {

            $resultant = stristr($this->_agent, 'opera');

            if( preg_match('/Version\/(10.*)$/',$resultant,$matches) ) {

                $this->setVersion($matches[1]);

            }

            else if( preg_match('/\//',$resultant) ) {

                $aresult = explode('/',str_replace("("," ",$resultant));

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else {

                $aversion = explode(' ',stristr($resultant,'opera'));

                $this->setVersion(isset($aversion[1])?$aversion[1]:"");

            }

            $this->_browser_name = self::BROWSER_OPERA;

            return true;

        }

            return false;

    }

 

    /**

     * Determine if the browser is Chrome or not (last updated 1.7)

     * @return boolean True if the browser is Chrome otherwise false

     */

    protected function checkBrowserChrome() {

        if( stripos($this->_agent,'Chrome') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Chrome'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->setBrowser(self::BROWSER_CHROME);

            return true;

        }

        return false;

    }

 

 

    /**

     * Determine if the browser is WebTv or not (last updated 1.7)

     * @return boolean True if the browser is WebTv otherwise false

     */

    protected function checkBrowserWebTv() {

        if( stripos($this->_agent,'webtv') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'webtv'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->setBrowser(self::BROWSER_WEBTV);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is NetPositive or not (last updated 1.7)

     * @return boolean True if the browser is NetPositive otherwise false

     */

    protected function checkBrowserNetPositive() {

        if( stripos($this->_agent,'NetPositive') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'NetPositive'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion(str_replace(array('(',')',';'),'',$aversion[0]));

            $this->setBrowser(self::BROWSER_NETPOSITIVE);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Galeon or not (last updated 1.7)

     * @return boolean True if the browser is Galeon otherwise false

     */

    protected function checkBrowserGaleon() {

        if( stripos($this->_agent,'galeon') !== false ) {

            $aresult = explode(' ',stristr($this->_agent,'galeon'));

            $aversion = explode('/',$aresult[0]);

            $this->setVersion($aversion[1]);

            $this->setBrowser(self::BROWSER_GALEON);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Konqueror or not (last updated 1.7)

     * @return boolean True if the browser is Konqueror otherwise false

     */

    protected function checkBrowserKonqueror() {

        if( stripos($this->_agent,'Konqueror') !== false ) {

            $aresult = explode(' ',stristr($this->_agent,'Konqueror'));

            $aversion = explode('/',$aresult[0]);

            $this->setVersion($aversion[1]);

            $this->setBrowser(self::BROWSER_KONQUEROR);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is iCab or not (last updated 1.7)

     * @return boolean True if the browser is iCab otherwise false

     */

    protected function checkBrowserIcab() {

        if( stripos($this->_agent,'icab') !== false ) {

            $aversion = explode(' ',stristr(str_replace('/',' ',$this->_agent),'icab'));

            $this->setVersion($aversion[1]);

            $this->setBrowser(self::BROWSER_ICAB);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is OmniWeb or not (last updated 1.7)

     * @return boolean True if the browser is OmniWeb otherwise false

     */

    protected function checkBrowserOmniWeb() {

        if( stripos($this->_agent,'omniweb') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'omniweb'));

            $aversion = explode(' ',isset($aresult[1])?$aresult[1]:"");

            $this->setVersion($aversion[0]);

            $this->setBrowser(self::BROWSER_OMNIWEB);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Phoenix or not (last updated 1.7)

     * @return boolean True if the browser is Phoenix otherwise false

     */

    protected function checkBrowserPhoenix() {

        if( stripos($this->_agent,'Phoenix') !== false ) {

            $aversion = explode('/',stristr($this->_agent,'Phoenix'));

            $this->setVersion($aversion[1]);

            $this->setBrowser(self::BROWSER_PHOENIX);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Firebird or not (last updated 1.7)

     * @return boolean True if the browser is Firebird otherwise false

     */

    protected function checkBrowserFirebird() {

        if( stripos($this->_agent,'Firebird') !== false ) {

            $aversion = explode('/',stristr($this->_agent,'Firebird'));

            $this->setVersion($aversion[1]);

            $this->setBrowser(self::BROWSER_FIREBIRD);

                return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Netscape Navigator 9+ or not (last updated 1.7)

         * NOTE: (https://browser.netscape.com/ - Official support ended on March 1st, 2008)

     * @return boolean True if the browser is Netscape Navigator 9+ otherwise false

     */

    protected function checkBrowserNetscapeNavigator9Plus() {

        if( stripos($this->_agent,'Firefox') !== false && preg_match('/Navigator\/([^ ]*)/i',$this->_agent,$matches) ) {

            $this->setVersion($matches[1]);

            $this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);

            return true;

        }

        else if( stripos($this->_agent,'Firefox') === false && preg_match('/Netscape6?\/([^ ]*)/i',$this->_agent,$matches) ) {

            $this->setVersion($matches[1]);

            $this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);

            return true;

        }

        return false;

    }

 

    /**

     * 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

     */

    protected function checkBrowserShiretoko() {

        if( stripos($this->_agent,'Mozilla') !== false && preg_match('/Shiretoko\/([^ ]*)/i',$this->_agent,$matches) ) {

            $this->setVersion($matches[1]);

            $this->setBrowser(self::BROWSER_SHIRETOKO);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Ice Cat or not (https://en.wikipedia.org/wiki/GNU_IceCat) (last updated 1.7)

     * @return boolean True if the browser is Ice Cat otherwise false

     */

    protected function checkBrowserIceCat() {

        if( stripos($this->_agent,'Mozilla') !== false && preg_match('/IceCat\/([^ ]*)/i',$this->_agent,$matches) ) {

            $this->setVersion($matches[1]);

            $this->setBrowser(self::BROWSER_ICECAT);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Nokia or not (last updated 1.7)

     * @return boolean True if the browser is Nokia otherwise false

     */

    protected function checkBrowserNokia() {

        if( preg_match("/Nokia([^\/]+)\/([^ SP]+)/i",$this->_agent,$matches) ) {

            $this->setVersion($matches[2]);

                if( stripos($this->_agent,'Series60') !== false || strpos($this->_agent,'S60') !== false ) {

                    $this->setBrowser(self::BROWSER_NOKIA_S60);

                }

                else {

                    $this->setBrowser( self::BROWSER_NOKIA );

                }

            $this->setMobile(true);

            return true;

        }

            return false;

    }

 

    /**

     * Determine if the browser is Firefox or not (last updated 1.7)

     * @return boolean True if the browser is Firefox otherwise false

     */

    protected function checkBrowserFirefox() {

        if( stripos($this->_agent,'safari') === false ) {

                if( preg_match("/Firefox[\/ \(]([^ ;\)]+)/i",$this->_agent,$matches) ) {

                    $this->setVersion($matches[1]);

                    $this->setBrowser(self::BROWSER_FIREFOX);

                    return true;

                }

                else if( preg_match("/Firefox$/i",$this->_agent,$matches) ) {

                    $this->setVersion("");

                    $this->setBrowser(self::BROWSER_FIREFOX);

                    return true;

                }

            }

        return false;

    }

 

        /**

     * Determine if the browser is Firefox or not (last updated 1.7)

     * @return boolean True if the browser is Firefox otherwise false

     */

    protected function checkBrowserIceweasel() {

            if( stripos($this->_agent,'Iceweasel') !== false ) {

                $aresult = explode('/',stristr($this->_agent,'Iceweasel'));

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

                $this->setBrowser(self::BROWSER_ICEWEASEL);

                return true;

            }

            return false;

        }

    /**

     * Determine if the browser is Mozilla or not (last updated 1.7)

     * @return boolean True if the browser is Mozilla otherwise false

     */

    protected function checkBrowserMozilla() {

        if( stripos($this->_agent,'mozilla') !== false  && preg_match('/rv:[0-9].[0-9][a-b]?/i',$this->_agent) && stripos($this->_agent,'netscape') === false) {

            $aversion = explode(' ',stristr($this->_agent,'rv:'));

            preg_match('/rv:[0-9].[0-9][a-b]?/i',$this->_agent,$aversion);

            $this->setVersion(str_replace('rv:','',$aversion[0]));

            $this->setBrowser(self::BROWSER_MOZILLA);

            return true;

        }

        else if( stripos($this->_agent,'mozilla') !== false && preg_match('/rv:[0-9]\.[0-9]/i',$this->_agent) && stripos($this->_agent,'netscape') === false ) {

            $aversion = explode('',stristr($this->_agent,'rv:'));

            $this->setVersion(str_replace('rv:','',$aversion[0]));

            $this->setBrowser(self::BROWSER_MOZILLA);

            return true;

        }

        else if( stripos($this->_agent,'mozilla') !== false  && preg_match('/mozilla\/([^ ]*)/i',$this->_agent,$matches) && stripos($this->_agent,'netscape') === false ) {

            $this->setVersion($matches[1]);

            $this->setBrowser(self::BROWSER_MOZILLA);

            return true;

        }

            return false;

    }

 

    /**

     * Determine if the browser is Lynx or not (last updated 1.7)

     * @return boolean True if the browser is Lynx otherwise false

     */

    protected function checkBrowserLynx() 

    {

        if( stripos($this->_agent,'lynx') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Lynx'));

            $aversion = explode(' ',(isset($aresult[1])?$aresult[1]:""));

            $this->setVersion($aversion[0]);

            $this->setBrowser(self::BROWSER_LYNX);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Amaya or not (last updated 1.7)

     * @return boolean True if the browser is Amaya otherwise false

     */

    protected function checkBrowserAmaya() 

    {

        if( stripos($this->_agent,'amaya') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Amaya'));

            $aversion = explode(' ',$aresult[1]);

            $this->setVersion($aversion[0]);

            $this->setBrowser(self::BROWSER_AMAYA);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Safari or not (last updated 1.7)

     * @return boolean True if the browser is Safari otherwise false

     */

    protected function checkBrowserSafari() 

    {

        if( stripos($this->_agent,'Safari') !== false && stripos($this->_agent,'iPhone') === false && stripos($this->_agent,'iPod') === false ) {

            $aresult = explode('/',stristr($this->_agent,'Version'));

            if( isset($aresult[1]) ) {

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else $this->setVersion(self::VERSION_UNKNOWN);

            $this->setBrowser(self::BROWSER_SAFARI);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is iPhone or not (last updated 1.7)

     * @return boolean True if the browser is iPhone otherwise false

     */

    protected function checkBrowseriPhone() 

    {

        if( stripos($this->_agent,'iPhone') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Version'));

            if( isset($aresult[1]) ) {

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else $this->setVersion(self::VERSION_UNKNOWN);

            $this->setMobile(true);

            $this->setBrowser(self::BROWSER_IPHONE);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is iPod or not (last updated 1.7)

     * @return boolean True if the browser is iPod otherwise false

     */

    protected function checkBrowseriPad() 

    {

        if( stripos($this->_agent,'iPad') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Version'));

            if( isset($aresult[1]) ) {

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else $this->setVersion(self::VERSION_UNKNOWN);

            $this->setMobile(true);

            $this->setBrowser(self::BROWSER_IPAD);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is iPod or not (last updated 1.7)

     * @return boolean True if the browser is iPod otherwise false

     */

    protected function checkBrowseriPod() 

    {

        if( stripos($this->_agent,'iPod') !== false ) {

            $aresult = explode('/',stristr($this->_agent,'Version'));

            if( isset($aresult[1]) ) {

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else $this->setVersion(self::VERSION_UNKNOWN);

            $this->setMobile(true);

            $this->setBrowser(self::BROWSER_IPOD);

            return true;

        }

        return false;

    }

 

    /**

     * Determine if the browser is Android or not (last updated 1.7)

     * @return boolean True if the browser is Android otherwise false

     */

    protected function checkBrowserAndroid() 

    {

        if( stripos($this->_agent,'Android') !== false ) {

            $aresult = explode(' ',stristr($this->_agent,'Android'));

            if( isset($aresult[1]) ) {

                $aversion = explode(' ',$aresult[1]);

                $this->setVersion($aversion[0]);

            }

            else $this->setVersion(self::VERSION_UNKNOWN);

            $this->setMobile(true);

            $this->setBrowser(self::BROWSER_ANDROID);

            return true;

        }

        return false;

    }

 

    /**

     * Determine the user's platform (last updated 1.7)

     */

    protected function checkPlatform() 

    {

        if( stripos($this->_agent, 'windows') !== false ) $this->_platform = self::PLATFORM_WINDOWS;

        else if( stripos($this->_agent, 'iPad') !== false ) $this->_platform = self::PLATFORM_IPAD;

        else if( stripos($this->_agent, 'iPod') !== false ) $this->_platform = self::PLATFORM_IPOD;

        else if( stripos($this->_agent, 'iPhone') !== false ) $this->_platform = self::PLATFORM_IPHONE;

        elseif( stripos($this->_agent, 'mac') !== false ) $this->_platform = self::PLATFORM_APPLE;

        elseif( stripos($this->_agent, 'android') !== false ) $this->_platform = self::PLATFORM_ANDROID;

        elseif( stripos($this->_agent, 'linux') !== false ) $this->_platform = self::PLATFORM_LINUX;

        else if( stripos($this->_agent, 'Nokia') !== false ) $this->_platform = self::PLATFORM_NOKIA;

        else if( stripos($this->_agent, 'BlackBerry') !== false ) $this->_platform = self::PLATFORM_BLACKBERRY;

        elseif( stripos($this->_agent,'FreeBSD') !== false ) $this->_platform = self::PLATFORM_FREEBSD;

        elseif( stripos($this->_agent,'OpenBSD') !== false ) $this->_platform = self::PLATFORM_OPENBSD;

        elseif( stripos($this->_agent,'NetBSD') !== false ) $this->_platform = self::PLATFORM_NETBSD;

        elseif( stripos($this->_agent, 'OpenSolaris') !== false ) $this->_platform = self::PLATFORM_OPENSOLARIS;

        elseif( stripos($this->_agent, 'SunOS') !== false ) $this->_platform = self::PLATFORM_SUNOS;

        elseif( stripos($this->_agent, 'OS\/2') !== false ) $this->_platform = self::PLATFORM_OS2;

        elseif( stripos($this->_agent, 'BeOS') !== false ) $this->_platform = self::PLATFORM_BEOS;

        elseif( stripos($this->_agent, 'win') !== false ) $this->_platform = self::PLATFORM_WINDOWS;

    }

    }

 

$browser = new Browser();

echo  $browser->getBrowser().'<br>';

echo  $browser->getVersion().'<br>';

echo  $browser->getPlatform().'<br>';

echo  $browser->getAolVersion().'<br>';

echo  $browser->isMobile().'<br>';

 

?>

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