<?php if ( ! defined( 'ABSPATH' ) ) exit;



/**

 * Modified to remove var

 * Chris Christoff on 12/26/2012

 * Changes: Changes vars to publics

 *

 * Modified to work for EDD by

 * Chris Christoff on 12/23/2012

 * Changes: Removed the browser string return and added spacing. Also removed return HTML formatting.

 *

 * Modified to add formatted User Agent string for EDD System Info by

 * Chris Christoff on 12/23/2012

 * Changes: Split user string and add formatting so we can print a nicely

 * formatted user agent string on the EDD 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 {

	public $_agent = '';

	public $_browser_name = '';

	public $_version = '';

	public $_platform = '';

	public $_os = '';

	public $_is_aol = false;

	public $_is_mobile = false;

	public $_is_robot = false;

	public $_aol_version = '';



	public $BROWSER_UNKNOWN = 'unknown';

	public $VERSION_UNKNOWN = 'unknown';



	public $BROWSER_OPERA = 'Opera';                            // Http://www.opera.com/

	public $BROWSER_OPERA_MINI = 'Opera Mini';                  // Http://www.opera.com/mini/

	public $BROWSER_WEBTV = 'WebTV';                            // Http://www.webtv.net/pc/

	public $BROWSER_IE = 'Internet Explorer';                   // Http://www.microsoft.com/ie/

	public $BROWSER_POCKET_IE = 'Pocket Internet Explorer';     // Http://en.wikipedia.org/wiki/Internet_Explorer_Mobile

	public $BROWSER_KONQUEROR = 'Konqueror';                    // Http://www.konqueror.org/

	public $BROWSER_ICAB = 'iCab';                              // Http://www.icab.de/

	public $BROWSER_OMNIWEB = 'OmniWeb';                        // Http://www.omnigroup.com/applications/omniweb/

	public $BROWSER_FIREBIRD = 'Firebird';                      // Http://www.ibphoenix.com/

	public $BROWSER_FIREFOX = 'Firefox';                        // Http://www.mozilla.com/en-US/firefox/firefox.html

	public $BROWSER_ICEWEASEL = 'Iceweasel';                    // Http://www.geticeweasel.org/

	public $BROWSER_SHIRETOKO = 'Shiretoko';                    // Http://wiki.mozilla.org/Projects/shiretoko

	public $BROWSER_MOZILLA = 'Mozilla';                        // Http://www.mozilla.com/en-US/

	public $BROWSER_AMAYA = 'Amaya';                            // Http://www.w3.org/Amaya/

	public $BROWSER_LYNX = 'Lynx';                              // Http://en.wikipedia.org/wiki/Lynx

	public $BROWSER_SAFARI = 'Safari';                          // Http://apple.com

	public $BROWSER_IPHONE = 'iPhone';                          // Http://apple.com

	public $BROWSER_IPOD = 'iPod';                              // Http://apple.com

	public $BROWSER_IPAD = 'iPad';                              // Http://apple.com

	public $BROWSER_CHROME = 'Chrome';                          // Http://www.google.com/chrome

	public $BROWSER_ANDROID = 'Android';                        // Http://www.android.com/

	public $BROWSER_GOOGLEBOT = 'GoogleBot';                    // Http://en.wikipedia.org/wiki/Googlebot

	public $BROWSER_SLURP = 'Yahoo! Slurp';                     // Http://en.wikipedia.org/wiki/Yahoo!_Slurp

	public $BROWSER_W3CVALIDATOR = 'W3C Validator';             // Http://validator.w3.org/

	public $BROWSER_BLACKBERRY = 'BlackBerry';                  // Http://www.blackberry.com/

	public $BROWSER_ICECAT = 'IceCat';                          // Http://en.wikipedia.org/wiki/GNU_IceCat

	public $BROWSER_NOKIA_S60 = 'Nokia S60 OSS Browser';        // Http://en.wikipedia.org/wiki/Web_Browser_for_S60

	public $BROWSER_NOKIA = 'Nokia Browser';                    // * all other WAP-based browsers on the Nokia Platform

	public $BROWSER_MSN = 'MSN Browser';                        // Http://explorer.msn.com/

	public $BROWSER_MSNBOT = 'MSN Bot';                         // Http://search.msn.com/msnbot.htm

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



	public $BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator';  // Http://browser.netscape.com/ (DEPRECATED)

	public $BROWSER_GALEON = 'Galeon';                          // Http://galeon.sourceforge.net/ (DEPRECATED)

	public $BROWSER_NETPOSITIVE = 'NetPositive';                // Http://en.wikipedia.org/wiki/NetPositive (DEPRECATED)

	public $BROWSER_PHOENIX = 'Phoenix';                        // Http://en.wikipedia.org/wiki/History_of_Mozilla_Firefox (DEPRECATED)



	public $PLATFORM_UNKNOWN = 'unknown';

	public $PLATFORM_WINDOWS = 'Windows';

	public $PLATFORM_WINDOWS_CE = 'Windows CE';

	public $PLATFORM_APPLE = 'Apple';

	public $PLATFORM_LINUX = 'Linux';

	public $PLATFORM_OS2 = 'OS/2';

	public $PLATFORM_BEOS = 'BeOS';

	public $PLATFORM_IPHONE = 'iPhone';

	public $PLATFORM_IPOD = 'iPod';

	public $PLATFORM_IPAD = 'iPad';

	public $PLATFORM_BLACKBERRY = 'BlackBerry';

	public $PLATFORM_NOKIA = 'Nokia';

	public $PLATFORM_FREEBSD = 'FreeBSD';

	public $PLATFORM_OPENBSD = 'OpenBSD';

	public $PLATFORM_NETBSD = 'NetBSD';

	public $PLATFORM_SUNOS = 'SunOS';

	public $PLATFORM_OPENSOLARIS = 'OpenSolaris';

	public $PLATFORM_ANDROID = 'Android';



	public $OPERATING_SYSTEM_UNKNOWN = 'unknown';



	function __construct( $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 unknown $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 unknown $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 unknown $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 unknown $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 unknown $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 unknown $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 < 25; $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\t\t\t  " .

			"$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;

		}



	}

}