jigoshop /admin/browser.php

Language PHP Lines 1079
MD5 Hash 420d9ab55a67aeda484d211c44a978fb Estimated Cost $16,882 (why?)
Repository https://github.com/scottpoulin/jigoshop.git View Raw File
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<?php
	/**
	 * Modified to work for Jigoshop by
	 * Chris Christoff on 8/2/2012
	 * Changes: Removed the browser string return and added spacing. Also removed return HTML formatting.
	 *
	 * Modified to add formatted User Agent string for Jigoshop System Info by
	 * Chris Christoff on 8/4/2012
	 * Changes: Split user string and add formatting so we can print a nicely
	 * formatted user agent string on the Jigoshop System Info
	 *
	 * File: Browser.php
	 * Author: Chris Schuld (http://chrisschuld.com/)
	 * 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:
	 * http://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: http://www.useragentstring.com/
	 *
	 * This implementation is based on the original work from Gary White
	 * http://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 (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 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 {
		var $_agent = '';
		var $_browser_name = '';
		var $_version = '';
		var $_platform = '';
		var $_os = '';
		var $_is_aol = false;
		var $_is_mobile = false;
		var $_is_robot = false;
		var $_aol_version = '';

		var $BROWSER_UNKNOWN = 'unknown';
		var $VERSION_UNKNOWN = 'unknown';

		var $BROWSER_OPERA = 'Opera';                            // http://www.opera.com/
		var $BROWSER_OPERA_MINI = 'Opera Mini';                  // http://www.opera.com/mini/
		var $BROWSER_WEBTV = 'WebTV';                            // http://www.webtv.net/pc/
		var $BROWSER_IE = 'Internet Explorer';                   // http://www.microsoft.com/ie/
		var $BROWSER_POCKET_IE = 'Pocket Internet Explorer';     // http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
		var $BROWSER_KONQUEROR = 'Konqueror';                    // http://www.konqueror.org/
		var $BROWSER_ICAB = 'iCab';                              // http://www.icab.de/
		var $BROWSER_OMNIWEB = 'OmniWeb';                        // http://www.omnigroup.com/applications/omniweb/
		var $BROWSER_FIREBIRD = 'Firebird';                      // http://www.ibphoenix.com/
		var $BROWSER_FIREFOX = 'Firefox';                        // http://www.mozilla.com/en-US/firefox/firefox.html
		var $BROWSER_ICEWEASEL = 'Iceweasel';                    // http://www.geticeweasel.org/
		var $BROWSER_SHIRETOKO = 'Shiretoko';                    // http://wiki.mozilla.org/Projects/shiretoko
		var $BROWSER_MOZILLA = 'Mozilla';                        // http://www.mozilla.com/en-US/
		var $BROWSER_AMAYA = 'Amaya';                            // http://www.w3.org/Amaya/
		var $BROWSER_LYNX = 'Lynx';                              // http://en.wikipedia.org/wiki/Lynx
		var $BROWSER_SAFARI = 'Safari';                          // http://apple.com
		var $BROWSER_IPHONE = 'iPhone';                          // http://apple.com
		var $BROWSER_IPOD = 'iPod';                              // http://apple.com
		var $BROWSER_IPAD = 'iPad';                              // http://apple.com
		var $BROWSER_CHROME = 'Chrome';                          // http://www.google.com/chrome
		var $BROWSER_ANDROID = 'Android';                        // http://www.android.com/
		var $BROWSER_GOOGLEBOT = 'GoogleBot';                    // http://en.wikipedia.org/wiki/Googlebot
		var $BROWSER_SLURP = 'Yahoo! Slurp';                     // http://en.wikipedia.org/wiki/Yahoo!_Slurp
		var $BROWSER_W3CVALIDATOR = 'W3C Validator';             // http://validator.w3.org/
		var $BROWSER_BLACKBERRY = 'BlackBerry';                  // http://www.blackberry.com/
		var $BROWSER_ICECAT = 'IceCat';                          // http://en.wikipedia.org/wiki/GNU_IceCat
		var $BROWSER_NOKIA_S60 = 'Nokia S60 OSS Browser';        // http://en.wikipedia.org/wiki/Web_Browser_for_S60
		var $BROWSER_NOKIA = 'Nokia Browser';                    // * all other WAP-based browsers on the Nokia Platform
		var $BROWSER_MSN = 'MSN Browser';                        // http://explorer.msn.com/
		var $BROWSER_MSNBOT = 'MSN Bot';                         // http://search.msn.com/msnbot.htm
		                                                          // http://en.wikipedia.org/wiki/Msnbot  (used for Bing as well)
		
		var $BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator';  // http://browser.netscape.com/ (DEPRECATED)
		var $BROWSER_GALEON = 'Galeon';                          // http://galeon.sourceforge.net/ (DEPRECATED)
		var $BROWSER_NETPOSITIVE = 'NetPositive';                // http://en.wikipedia.org/wiki/NetPositive (DEPRECATED)
		var $BROWSER_PHOENIX = 'Phoenix';                        // http://en.wikipedia.org/wiki/History_of_Mozilla_Firefox (DEPRECATED)

		var $PLATFORM_UNKNOWN = 'unknown';
		var $PLATFORM_WINDOWS = 'Windows';
		var $PLATFORM_WINDOWS_CE = 'Windows CE';
		var $PLATFORM_APPLE = 'Apple';
		var $PLATFORM_LINUX = 'Linux';
		var $PLATFORM_OS2 = 'OS/2';
		var $PLATFORM_BEOS = 'BeOS';
		var $PLATFORM_IPHONE = 'iPhone';
		var $PLATFORM_IPOD = 'iPod';
		var $PLATFORM_IPAD = 'iPad';
		var $PLATFORM_BLACKBERRY = 'BlackBerry';
		var $PLATFORM_NOKIA = 'Nokia';
		var $PLATFORM_FREEBSD = 'FreeBSD';
		var $PLATFORM_OPENBSD = 'OpenBSD';
		var $PLATFORM_NETBSD = 'NetBSD';
		var $PLATFORM_SUNOS = 'SunOS';
		var $PLATFORM_OPENSOLARIS = 'OpenSolaris';
		var $PLATFORM_ANDROID = 'Android';
		
		var $OPERATING_SYSTEM_UNKNOWN = 'unknown';

		function Browser($useragent="") {
			$this->reset();
			if( $useragent != "" ) {
				$this->setUserAgent($useragent);
			}
			else {
				$this->determine();
			}
		}

		/**
		* Reset all properties
		*/
		function reset() {
			$this->_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
			$this->_browser_name = $this->BROWSER_UNKNOWN;
			$this->_version = $this->VERSION_UNKNOWN;
			$this->_platform = $this->PLATFORM_UNKNOWN;
			$this->_os = $this->OPERATING_SYSTEM_UNKNOWN;
			$this->_is_aol = false;
			$this->_is_mobile = false;
			$this->_is_robot = false;
			$this->_aol_version = $this->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
		*/
		function getBrowser() { return $this->_browser_name; }
		/**
		* Set the name of the browser
		* @param $browser The name of the Browser
		*/
		function setBrowser($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
		*/
		function getPlatform() { return $this->_platform; }
		/**
		* Set the name of the platform
		* @param $platform The name of the Platform
		*/
		function setPlatform($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)
		*/
		function getVersion() { return $this->_version; }
		/**
		* Set the version of the browser
		* @param $version The version of the Browser
		*/
		function setVersion($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)
		*/
		function getAolVersion() { return $this->_aol_version; }
		/**
		* Set the version of AOL
		* @param $version The version of AOL
		*/
		function setAolVersion($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
		*/
		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
		*/
		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
		*/
		function isRobot() { return $this->_is_robot; }
		/**
		* Set the browser to be from AOL
		* @param $isAol
		*/
		function setAol($isAol) { $this->_is_aol = $isAol; }
		/**
		 * Set the Browser to be mobile
		 * @param boolean $value is the browser a mobile brower or not
		 */
		function setMobile($value=true) { $this->_is_mobile = $value; }
		/**
		 * Set the Browser to be a robot
		 * @param boolean $value is the browser a robot or not
		 */
		function setRobot($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
		*/
		function getUserAgent() { return $this->_agent; }
		/**
		* Set the user agent value (the construction will use the HTTP header value - this will overwrite it)
		* @param $agent_string The value for the User Agent
		*/
		function setUserAgent($agent_string) {
			$this->reset();
			$this->_agent = $agent_string;
			$this->determine();
		}
		/**
		 * Used to determine if the browser is actually "chromeframe"
		 * @since 1.7
		 * @return boolean True if the browser is using chromeframe
		 */
		function isChromeFrame() {
			return( strpos($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
		*/
		function __toString() {
		$text1   = $this->getUserAgent(); //grabs the UA (user agent) string
		$UAline1 = substr($text1, 0, 32); //the first line we print should only be the first 32 characters of the UA string
		$text2       = $this->getUserAgent();//now we grab it again and save it to a string
		$towrapUA    = str_replace($UAline1, '', $text2);//the rest of the printoff (other than first line) is equivolent
		// to the whole string minus the part we printed off. IE
		// User Agent:      thefirst32charactersfromUAline1
		//                  the rest of it is now stored in
		//                  $text2 to be printed off
		// but we need to add spaces before each line that is split other than line 1
		$space = '';
		for($i = 0; $i < 33; $i++) {
		$space .= ' ';
		}
		// now we split the remaining string of UA ($text2) into lines that are prefixed by spaces for formatting
		$wordwrapped = chunk_split($towrapUA, 32, "\n $space");
			return "Platform:                 {$this->getPlatform()} \n".
				   "	Browser Name:             {$this->getBrowser()}  \n" .
			       "	Browser Version:          {$this->getVersion()} \n" .
			       "	User Agent String:        $UAline1 \n                                  " .
				   "$wordwrapped ";
		}
		/**
		 * Protected routine to calculate and determine what the browser is in use (including platform)
		 */
		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
		 */
		 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
	     */
	    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 = $this->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
	     */
	    function checkForAol() {
			$this->setAol(false);
			$this->setAolVersion($this->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
	     */
	    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 = $this->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
	     */
		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 = $this->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
	     */
	    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 = $this->BROWSER_W3CVALIDATOR;
			    return true;
		    }
		    else if( stripos($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 = $this->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
	     */
	    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 = $this->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
	     */
	    function checkBrowserInternetExplorer() {

		    // Test for v1 - v1.5 IE
		    if( stripos($this->_agent,'microsoft internet explorer') !== false ) {
			    $this->setBrowser($this->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( $this->BROWSER_MSN );
				    $this->setVersion(str_replace(array('(',')',';'),'',$aresult[1]));
				    return true;
		    	}
		    	$aresult = explode(' ',stristr(str_replace(';','; ',$this->_agent),'msie'));
		    	$this->setBrowser( $this->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( $this->PLATFORM_WINDOWS_CE );
			    $this->setBrowser( $this->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
	     */
	    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 = $this->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 = $this->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
	     */
	    function checkBrowserChrome() {
		    if( stripos($this->_agent,'Chrome') !== false ) {
			    $aresult = explode('/',stristr($this->_agent,'Chrome'));
			    $aversion = explode(' ',$aresult[1]);
			    $this->setVersion($aversion[0]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserWebTv() {
		    if( stripos($this->_agent,'webtv') !== false ) {
			    $aresult = explode('/',stristr($this->_agent,'webtv'));
			    $aversion = explode(' ',$aresult[1]);
			    $this->setVersion($aversion[0]);
			    $this->setBrowser($this->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
	     */
	    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]));
			    $this->setBrowser($this->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
	     */
	    function checkBrowserGaleon() {
		    if( stripos($this->_agent,'galeon') !== false ) {
			    $aresult = explode(' ',stristr($this->_agent,'galeon'));
			    $aversion = explode('/',$aresult[0]);
			    $this->setVersion($aversion[1]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserKonqueror() {
		    if( stripos($this->_agent,'Konqueror') !== false ) {
			    $aresult = explode(' ',stristr($this->_agent,'Konqueror'));
			    $aversion = explode('/',$aresult[0]);
			    $this->setVersion($aversion[1]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserIcab() {
		    if( stripos($this->_agent,'icab') !== false ) {
			    $aversion = explode(' ',stristr(str_replace('/',' ',$this->_agent),'icab'));
			    $this->setVersion($aversion[1]);
			    $this->setBrowser($this->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
	     */
	    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]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserPhoenix() {
		    if( stripos($this->_agent,'Phoenix') !== false ) {
			    $aversion = explode('/',stristr($this->_agent,'Phoenix'));
			    $this->setVersion($aversion[1]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserFirebird() {
		    if( stripos($this->_agent,'Firebird') !== false ) {
			    $aversion = explode('/',stristr($this->_agent,'Firebird'));
			    $this->setVersion($aversion[1]);
			    $this->setBrowser($this->BROWSER_FIREBIRD);
				return true;
		    }
		    return 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
	     */
	    function checkBrowserNetscapeNavigator9Plus() {
		    if( stripos($this->_agent,'Firefox') !== false && preg_match('/Navigator\/([^ ]*)/i',$this->_agent,$matches) ) {
			    $this->setVersion($matches[1]);
			    $this->setBrowser($this->BROWSER_NETSCAPE_NAVIGATOR);
			    return true;
		    }
		    else if( stripos($this->_agent,'Firefox') === false && preg_match('/Netscape6?\/([^ ]*)/i',$this->_agent,$matches) ) {
			    $this->setVersion($matches[1]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserShiretoko() {
		    if( stripos($this->_agent,'Mozilla') !== false && preg_match('/Shiretoko\/([^ ]*)/i',$this->_agent,$matches) ) {
			    $this->setVersion($matches[1]);
			    $this->setBrowser($this->BROWSER_SHIRETOKO);
			    return true;
		    }
		    return 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
	     */
	    function checkBrowserIceCat() {
		    if( stripos($this->_agent,'Mozilla') !== false && preg_match('/IceCat\/([^ ]*)/i',$this->_agent,$matches) ) {
			    $this->setVersion($matches[1]);
			    $this->setBrowser($this->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
	     */
	    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 ) {
					$this->setBrowser($this->BROWSER_NOKIA_S60);
				}
				else {
					$this->setBrowser( $this->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
	     */
	    function checkBrowserFirefox() {
		    if( stripos($this->_agent,'safari') === false ) {
				if( preg_match("/Firefox[\/ \(]([^ ;\)]+)/i",$this->_agent,$matches) ) {
					$this->setVersion($matches[1]);
					$this->setBrowser($this->BROWSER_FIREFOX);
					return true;
				}
				else if( preg_match("/Firefox$/i",$this->_agent,$matches) ) {
					$this->setVersion("");
					$this->setBrowser($this->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
	     */
	    function checkBrowserIceweasel() {
			if( stripos($this->_agent,'Iceweasel') !== false ) {
				$aresult = explode('/',stristr($this->_agent,'Iceweasel'));
				$aversion = explode(' ',$aresult[1]);
				$this->setVersion($aversion[0]);
				$this->setBrowser($this->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
	     */
	    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]));
			    $this->setBrowser($this->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]));
			    $this->setBrowser($this->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]);
			    $this->setBrowser($this->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
	     */
	    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]);
			    $this->setBrowser($this->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
	     */
	    function checkBrowserAmaya() {
		    if( stripos($this->_agent,'amaya') !== false ) {
			    $aresult = explode('/',stristr($this->_agent,'Amaya'));
			    $aversion = explode(' ',$aresult[1]);
			    $this->setVersion($aversion[0]);
			    $this->setBrowser($this->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
	     */
	    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 {
				    $this->setVersion($this->VERSION_UNKNOWN);
			    }
			    $this->setBrowser($this->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
	     */
	    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 {
				    $this->setVersion($this->VERSION_UNKNOWN);
			    }
			    $this->setMobile(true);
			    $this->setBrowser($this->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
	     */
	    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 {
				    $this->setVersion($this->VERSION_UNKNOWN);
			    }
			    $this->setMobile(true);
			    $this->setBrowser($this->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
	     */
	    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 {
				    $this->setVersion($this->VERSION_UNKNOWN);
			    }
			    $this->setMobile(true);
			    $this->setBrowser($this->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
	     */
	    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 {
				    $this->setVersion($this->VERSION_UNKNOWN);
			    }
			    $this->setMobile(true);
			    $this->setBrowser($this->BROWSER_ANDROID);
			    return true;
		    }
		    return false;
	    }

	    /**
	     * Determine the user's platform (last updated 1.7)
	     */
	    function checkPlatform() {
		    if( stripos($this->_agent, 'windows') !== false ) {
			    $this->_platform = $this->PLATFORM_WINDOWS;
		    }
		    else if( stripos($this->_agent, 'iPad') !== false ) {
			    $this->_platform = $this->PLATFORM_IPAD;
		    }
		    else if( stripos($this->_agent, 'iPod') !== false ) {
			    $this->_platform = $this->PLATFORM_IPOD;
		    }
		    else if( stripos($this->_agent, 'iPhone') !== false ) {
			    $this->_platform = $this->PLATFORM_IPHONE;
		    }
		    elseif( stripos($this->_agent, 'mac') !== false ) {
			    $this->_platform = $this->PLATFORM_APPLE;
		    }
		    elseif( stripos($this->_agent, 'android') !== false ) {
			    $this->_platform = $this->PLATFORM_ANDROID;
		    }
		    elseif( stripos($this->_agent, 'linux') !== false ) {
			    $this->_platform = $this->PLATFORM_LINUX;
		    }
		    else if( stripos($this->_agent, 'Nokia') !== false ) {
			    $this->_platform = $this->PLATFORM_NOKIA;
		    }
		    else if( stripos($this->_agent, 'BlackBerry') !== false ) {
			    $this->_platform = $this->PLATFORM_BLACKBERRY;
		    }
		    elseif( stripos($this->_agent,'FreeBSD') !== false ) {
			    $this->_platform = $this->PLATFORM_FREEBSD;
		    }
		    elseif( stripos($this->_agent,'OpenBSD') !== false ) {
			    $this->_platform = $this->PLATFORM_OPENBSD;
		    }
		    elseif( stripos($this->_agent,'NetBSD') !== false ) {
			    $this->_platform = $this->PLATFORM_NETBSD;
		    }
		    elseif( stripos($this->_agent, 'OpenSolaris') !== false ) {
			    $this->_platform = $this->PLATFORM_OPENSOLARIS;
		    }
		    elseif( stripos($this->_agent, 'SunOS') !== false ) {
			    $this->_platform = $this->PLATFORM_SUNOS;
		    }
		    elseif( stripos($this->_agent, 'OS\/2') !== false ) {
			    $this->_platform = $this->PLATFORM_OS2;
		    }
		    elseif( stripos($this->_agent, 'BeOS') !== false ) {
			    $this->_platform = $this->PLATFORM_BEOS;
		    }
		    elseif( stripos($this->_agent, 'win') !== false ) {
			    $this->_platform = $this->PLATFORM_WINDOWS;
		    }

	    }
    }
	
?>
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