Your IP : 216.73.216.41


Current Path : /home/purehotels/public_html/components/com_uniform/helpers/
Upload File :
Current File : /home/purehotels/public_html/components/com_uniform/helpers/browser.php

<?php
defined('_JEXEC') or die('Restricted access');

/**
 * 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
{
	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'; // http://www.opera.com/
	const BROWSER_OPERA_MINI		 = 'Opera Mini';   // http://www.opera.com/mini/
	const BROWSER_WEBTV			  = 'WebTV'; // http://www.webtv.net/pc/
	const BROWSER_IE				 = 'Internet Explorer'; // http://www.microsoft.com/ie/
	const BROWSER_POCKET_IE		  = 'Pocket Internet Explorer';  // http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
	const BROWSER_KONQUEROR		  = 'Konqueror';  // http://www.konqueror.org/
	const BROWSER_ICAB			   = 'iCab';   // http://www.icab.de/
	const BROWSER_OMNIWEB			= 'OmniWeb';   // http://www.omnigroup.com/applications/omniweb/
	const BROWSER_FIREBIRD		   = 'Firebird'; // http://www.ibphoenix.com/
	const BROWSER_FIREFOX			= 'Firefox';   // http://www.mozilla.com/en-US/firefox/firefox.html
	const BROWSER_ICEWEASEL		  = 'Iceweasel';  // http://www.geticeweasel.org/
	const BROWSER_SHIRETOKO		  = 'Shiretoko';  // http://wiki.mozilla.org/Projects/shiretoko
	const BROWSER_MOZILLA			= 'Mozilla';   // http://www.mozilla.com/en-US/
	const BROWSER_AMAYA			  = 'Amaya'; // http://www.w3.org/Amaya/
	const BROWSER_LYNX			   = 'Lynx';   // http://en.wikipedia.org/wiki/Lynx
	const BROWSER_SAFARI			 = 'Safari';  // http://apple.com
	const BROWSER_IPHONE			 = 'iPhone';  // http://apple.com
	const BROWSER_IPOD			   = 'iPod';   // http://apple.com
	const BROWSER_IPAD			   = 'iPad';   // http://apple.com
	const BROWSER_CHROME			 = 'Chrome';  // http://www.google.com/chrome
	const BROWSER_ANDROID			= 'Android';   // http://www.android.com/
	const BROWSER_GOOGLEBOT		  = 'GoogleBot';  // http://en.wikipedia.org/wiki/Googlebot
	const BROWSER_SLURP			  = 'Yahoo! Slurp';   // http://en.wikipedia.org/wiki/Yahoo!_Slurp
	const BROWSER_W3CVALIDATOR	   = 'W3C Validator'; // http://validator.w3.org/
	const BROWSER_BLACKBERRY		 = 'BlackBerry';   // http://www.blackberry.com/
	const BROWSER_ICECAT			 = 'IceCat';  // http://en.wikipedia.org/wiki/GNU_IceCat
	const BROWSER_NOKIA_S60		  = 'Nokia S60 OSS Browser';  // http://en.wikipedia.org/wiki/Web_Browser_for_S60
	const BROWSER_NOKIA			  = 'Nokia Browser';  // * all other WAP-based browsers on the Nokia Platform
	const BROWSER_MSN				= 'MSN Browser';   // http://explorer.msn.com/
	const BROWSER_MSNBOT			 = 'MSN Bot'; // http://search.msn.com/msnbot.htm
	// http://en.wikipedia.org/wiki/Msnbot  (used for Bing as well)
	const BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator';  // http://browser.netscape.com/ (DEPRECATED)
	const BROWSER_GALEON			 = 'Galeon';  // http://galeon.sourceforge.net/ (DEPRECATED)
	const BROWSER_NETPOSITIVE		= 'NetPositive'; // http://en.wikipedia.org/wiki/NetPositive (DEPRECATED)
	const BROWSER_PHOENIX			= 'Phoenix';   // http://en.wikipedia.org/wiki/History_of_Mozilla_Firefox (DEPRECATED)
	const PLATFORM_UNKNOWN		   = 'unknown';
	const PLATFORM_WINDOWS		   = 'Windows';
	const PLATFORM_WINDOWS_CE		= 'Windows CE';
	const PLATFORM_APPLE			 = 'Apple';
	const PLATFORM_LINUX			 = 'Linux';
	const PLATFORM_OS2			   = 'OS/2';
	const PLATFORM_BEOS			  = 'BeOS';
	const PLATFORM_IPHONE			= 'iPhone';
	const PLATFORM_IPOD			  = 'iPod';
	const PLATFORM_IPAD			  = 'iPad';
	const PLATFORM_BLACKBERRY		= 'BlackBerry';
	const PLATFORM_NOKIA			 = 'Nokia';
	const PLATFORM_FREEBSD		   = 'FreeBSD';
	const PLATFORM_OPENBSD		   = 'OpenBSD';
	const PLATFORM_NETBSD			= 'NetBSD';
	const PLATFORM_SUNOS			 = 'SunOS';
	const PLATFORM_OPENSOLARIS	   = 'OpenSolaris';
	const PLATFORM_ANDROID		   = 'Android';
	const OPERATING_SYSTEM_UNKNOWN   = 'unknown';

	public function Browser($useragent = "")
	{
		$this->reset();
		if ($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: (http://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 (http://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;
		}
	}
}

?>