ziXet
مدیر انجمن PHP/MYSQL
سلام
با استفاده از این تابع میتونید خیلی راحت تمامی اطلاعات مربوط به مرورگر کاربر رو به دست بیارید.
حتی قابلیت تشخیص موبایل و روبات های جستجو گر را هم دارد.
سورس:
	
	
	
		
طریقه استفاده:
اول باید یک شی از کلاس بسازیم:
	
	
	
		
حالا میتونیم متدهای شی رو فراخونی کنیم!
مثلا اگه بخواهیم اسم مرورگر رو دربیاریم اینجوری میشه:
	
	
	
		
کپی رایت : http://chrisschuld.com/projects/browser-php-detecting-a-users-browser-from-php/
موفق باشید
			
			با استفاده از این تابع میتونید خیلی راحت تمامی اطلاعات مربوط به مرورگر کاربر رو به دست بیارید.
حتی قابلیت تشخیص موبایل و روبات های جستجو گر را هم دارد.
سورس:
		PHP:
	
	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_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_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_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_BLACKBERRY = 'BlackBerry';
    
    const OPERATING_SYSTEM_UNKNOWN = 'unknown';
    
    public function __construct() {
        $this->reset();
        $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; }
    /**
     * 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;
        $this->determine();
    }
    protected function setMobile($value=true) {
        $this->_is_mobile = $value;
    }
    protected function setRobot($value=true) {
        $this->_is_robot = $value;
    }
    /**
     * 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 (
                    $this->checkBrowserGoogleBot() ||
                    $this->checkBrowserSlurp() ||
                    $this->checkBrowserInternetExplorer() ||
                    $this->checkBrowserShiretoko() ||
                    $this->checkBrowserIceCat() ||
                    $this->checkBrowserNetscapeNavigator9Plus() ||
                    $this->checkBrowserFirefox() ||
                    $this->checkBrowserChrome() ||
                    $this->checkBrowserAndroid() ||
                    $this->checkBrowserSafari() ||
                    $this->checkBrowserOpera() ||
                    $this->checkBrowserNetPositive() ||
                    $this->checkBrowserFirebird() ||
                    $this->checkBrowserGaleon() ||
                    $this->checkBrowserKonqueror() ||
                    $this->checkBrowserIcab() ||
                    $this->checkBrowserOmniWeb() ||
                    $this->checkBrowserPhoenix() ||
                    $this->checkBrowserWebTv() ||
                    $this->checkBrowserAmaya() ||
                    $this->checkBrowserLynx() ||
                    $this->checkBrowseriPhone() ||
                    $this->checkBrowseriPod() ||
                    $this->checkBrowserBlackBerry() ||
                    $this->checkBrowserW3CValidator() ||
                    $this->checkBrowserMozilla() /* Mozilla is such an open standard that you must check it last */    
                    );
    }
    /**
     * Determine if the user is using a BlackBerry
     * @return boolean True if the browser is the BlackBerry browser otherwise false
     */
    protected function checkBrowserBlackBerry() {
        $retval = false;
        if( preg_match('/blackberry/i',$this->_agent) ) {
            $aresult = explode("/",stristr($this->_agent,"BlackBerry"));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->_browser_name = self::BROWSER_BLACKBERRY;
            $this->setMobile();
            $retval = true;
        }
        return $retval;
    }
    /**
     * Determine if the user is using an AOL User Agent
     * @return boolean True if the browser is from AOL otherwise false
     */
    protected function checkForAol() {
        $retval = false;
        if( preg_match('/aol/i', $this->_agent) ) {
            $aversion = explode(' ',stristr($this->_agent, 'AOL'));
            $this->setAol(true);
            $this->setAolVersion(preg_replace('/[^0-9\.a-z]/i', '', $aversion[1]));
            $retval = true;
        }
        else {
            $this->setAol(false);
            $this->setAolVersion(self::VERSION_UNKNOWN);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is the GoogleBot or not
     * @return boolean True if the browser is the GoogletBot otherwise false
     */
    protected function checkBrowserGoogleBot() {
        $retval = false;
        if( preg_match('/googlebot/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'googlebot'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion(str_replace(';','',$aversion[0]));
            $this->_browser_name = self::BROWSER_GOOGLEBOT;
            $this->setRobot();
            $retval = true;
        }
        return $retval;
    }
            
    /**
     * Determine if the browser is the W3C Validator or not
     * @return boolean True if the browser is the W3C Validator otherwise false
     */
    protected function checkBrowserW3CValidator() {
        $retval = false;
        if( preg_match('/W3C-checklink/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'W3C-checklink'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->_browser_name = self::BROWSER_W3CVALIDATOR;
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is the W3C Validator or not
     * @return boolean True if the browser is the W3C Validator otherwise false
     */
    protected function checkBrowserSlurp() {
        $retval = false;
        if( preg_match('/Slurp/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Slurp'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->_browser_name = self::BROWSER_SLURP;
            $this->setRobot();
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Internet Explorer or not
     * @return boolean True if the browser is Internet Explorer otherwise false
     */
    protected function checkBrowserInternetExplorer() {
        $retval = false;
        // Test for v1 - v1.5 IE
        if( preg_match('/microsoft internet explorer/i', $this->_agent) ) {
            $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');
            }
            $retval = true;
        }
        // Test for versions > 1.5
        else if( preg_match('/msie/i',$this->_agent) && !preg_match('/opera/i',$this->_agent) ) {
            $aresult = explode(' ',stristr(str_replace(';','; ',$this->_agent),'msie'));
            $this->setBrowser( self::BROWSER_IE );
            $this->setVersion(str_replace(array('(',')',';'),'',$aresult[1]));
            $retval = true;
        }
        // Test for Pocket IE
        else if( preg_match('/mspie/i',$this->_agent) || preg_match('/pocket/i', $this->_agent) ) {
            $aresult = explode(' ',stristr($this->_agent,'mspie'));
            $this->setPlatform( self::PLATFORM_WINDOWS_CE );
            $this->setBrowser( self::BROWSER_POCKET_IE );
            $this->setMobile();
            
            if( preg_match('/mspie/i', $this->_agent) ) {
                $this->setVersion($aresult[1]);
            }
            else {
                $aversion = explode('/',$this->_agent);
                $this->setVersion($aversion[1]);
            }
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Opera or not
     * @return boolean True if the browser is Opera otherwise false
     */
    protected function checkBrowserOpera() {
        $retval = false;
        if( preg_match('/opera mini/i',$this->_agent) ) {
            $resultant = stristr($this->_agent, 'opera mini');
            if( preg_match('/\//',$resultant) ) {
                $aresult = explode('/',$resultant);
                $aversion = explode(' ',$aresult[1]); 
                $this->setVersion($aversion[0]);
                $this->_browser_name = self::BROWSER_OPERA_MINI;
                $this->setMobile();
                $retval = true;
            }
            else {
                $aversion = explode(' ',stristr($resultant,'opera mini'));
                $this->setVersion($aversion[1]);
                $this->_browser_name = self::BROWSER_OPERA_MINI;
                $this->setMobile();
                $retval = true;
            }
        }
        else if( preg_match('/opera/i',$this->_agent) ) {
            $resultant = stristr($this->_agent, 'opera');
            if( preg_match('/Version\/(10.*)$/',$resultant,$matches) ) {
                $this->setVersion($matches[1]);
                $this->_browser_name = self::BROWSER_OPERA;
                $retval = true;
            }
            else if( preg_match('/\//',$resultant) ) {
                $aresult = explode('/',$resultant);
                $aversion = explode(' ',$aresult[1]); 
                $this->setVersion($aversion[0]);
                $this->_browser_name = self::BROWSER_OPERA;
                $retval = true;
            }
            else {
                $aversion = explode(' ',stristr($resultant,'opera'));
                $this->setVersion($aversion[1]);
                $this->_browser_name = self::BROWSER_OPERA;
                $retval = true;
            }
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is WebTv or not
     * @return boolean True if the browser is WebTv otherwise false
     */
    protected function checkBrowserWebTv() {
        $retval = false;
        if( preg_match('/webtv/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'webtv'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->_browser_name = self::BROWSER_WEBTV;
            $retval = true;
        }
        return $retval;
    }
            
    /**
     * Determine if the browser is NetPositive or not
     * @return boolean True if the browser is NetPositive otherwise false
     */
    protected function checkBrowserNetPositive() {
        $retval = false;
        if( preg_match('/NetPositive/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'NetPositive'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion(str_replace(array('(',')',';'),'',$aversion[0]));
            $this->_browser_name = self::BROWSER_NETPOSITIVE;
            $this->_platform = self::PLATFORM_BEOS;
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is Galeon or not
     * @return boolean True if the browser is Galeon otherwise false
     */
    protected function checkBrowserGaleon() {
        $retval = false;
        if( preg_match('/galeon/i',$this->_agent) ) {
            $aresult = explode(' ',stristr($this->_agent,'galeon'));
            $aversion = explode('/',$aresult[0]);
            $this->setVersion($aversion[1]);
            $this->setBrowser(self::BROWSER_GALEON);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is Konqueror or not
     * @return boolean True if the browser is Konqueror otherwise false
     */
    protected function checkBrowserKonqueror() {
        $retval = false;
        if( preg_match('/Konqueror/i',$this->_agent) ) {
            $aresult = explode(' ',stristr($this->_agent,'Konqueror'));
            $aversion = explode('/',$aresult[0]);
            $this->setVersion($aversion[1]);
            $this->setBrowser(self::BROWSER_KONQUEROR);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is iCab or not
     * @return boolean True if the browser is iCab otherwise false
     */
    protected function checkBrowserIcab() {
        $retval = false;
        if( preg_match('/icab/i',$this->_agent) ) {
            $aversion = explode(' ',stristr(str_replace('/',' ',$this->_agent),'icab'));
            $this->setVersion($aversion[1]);
            $this->setBrowser(self::BROWSER_ICAB);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is OmniWeb or not
     * @return boolean True if the browser is OmniWeb otherwise false
     */
    protected function checkBrowserOmniWeb() {
        $retval = false;
        if( preg_match('/omniweb/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'omniweb'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_OMNIWEB);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is Phoenix or not
     * @return boolean True if the browser is Phoenix otherwise false
     */
    protected function checkBrowserPhoenix() {
        $retval = false;
        if( preg_match('/Phoenix/i',$this->_agent) ) {
            $aversion = explode('/',stristr($this->_agent,'Phoenix'));
            $this->setVersion($aversion[1]);
            $this->setBrowser(self::BROWSER_PHOENIX);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Firebird or not
     * @return boolean True if the browser is Firebird otherwise false
     */
    protected function checkBrowserFirebird() {
        $retval = false;
        if( preg_match('/Firebird/i',$this->_agent) ) {
            $aversion = explode('/',stristr($this->_agent,'Firebird'));
            $this->setVersion($aversion[1]);
            $this->setBrowser(self::BROWSER_FIREBIRD);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Netscape Navigator 9+ or not (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() {
        $retval = false;
        if( preg_match('/Firefox/i',$this->_agent) && preg_match('/Navigator\/([^ ]*)/i',$this->_agent,$matches) ) {
            $this->setVersion($matches[1]);
            $this->setBrowser(self::BROWSER_NETSCAPE_NAVIGATOR);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Shiretoko or not (https://wiki.mozilla.org/Projects/shiretoko)
     * @return boolean True if the browser is Shiretoko otherwise false
     */
    protected function checkBrowserShiretoko() {
        $retval = false;
        if( preg_match('/Mozilla/i',$this->_agent) && preg_match('/Shiretoko\/([^ ]*)/i',$this->_agent,$matches) ) {
            $this->setVersion($matches[1]);
            $this->setBrowser(self::BROWSER_SHIRETOKO);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Ice Cat or not (http://en.wikipedia.org/wiki/GNU_IceCat)
     * @return boolean True if the browser is Ice Cat otherwise false
     */
    protected function checkBrowserIceCat() {
        $retval = false;
        if( preg_match('/Mozilla/i',$this->_agent) && preg_match('/IceCat\/([^ ]*)/i',$this->_agent,$matches) ) {
            $this->setVersion($matches[1]);
            $this->setBrowser(self::BROWSER_ICECAT);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Firefox or not
     * @return boolean True if the browser is Firefox otherwise false
     */
    protected function checkBrowserFirefox() {
        $retval = false;
        if( preg_match('/Firefox/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Firefox'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_FIREFOX);
            $retval = true;
        }
        return $retval;
    }
    
    /**
     * Determine if the browser is Mozilla or not
     * @return boolean True if the browser is Mozilla otherwise false
     */
    protected function checkBrowserMozilla() {
        $retval = false;
        if( preg_match('/mozilla/i',$this->_agent) && preg_match('/rv:[0-9].[0-9][a-b]?/i',$this->_agent) && !preg_match('/netscape/i',$this->_agent)) {
            $aversion = explode(' ',stristr($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);
            $retval = true;
        }
        else if( preg_match('/mozilla/i',$this->_agent) && preg_match('/rv:[0-9]\.[0-9]/i',$this->_agent) && !preg_match('/netscape/i',$this->_agent) ) {
            $aversion = explode('',stristr($this->_agent,'rv:'));
            preg_match('/rv:[0-9]\.[0-9]\.[0-9]/i',$this->_agent,$aversion);
            echo 
            $this->setVersion(str_replace('rv:','',$aversion[0]));
            $this->setBrowser(self::BROWSER_MOZILLA);
            $retval = true;
        }
        return $retval;
    }
    /**
     * Determine if the browser is Lynx or not
     * @return boolean True if the browser is Lynx otherwise false
     */
    protected function checkBrowserLynx() {
        $retval = false;
        if( preg_match('/libwww/i',$this->_agent) && preg_match('/lynx/i', $this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Lynx'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_LYNX);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is Amaya or not
     * @return boolean True if the browser is Amaya otherwise false
     */
    protected function checkBrowserAmaya() {
        $retval = false;
        if( preg_match('/libwww/i',$this->_agent) && preg_match('/amaya/i', $this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Amaya'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_AMAYA);
            $retval = true;
        }
        return $retval;
    }
        
    /**
     * Determine if the browser is Chrome or not
     * @return boolean True if the browser is Chrome otherwise false
     */
    protected function checkBrowserChrome() {
        $retval = false;
        if( preg_match('/Chrome/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Chrome'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_CHROME);
            $retval = true;
        }
        return $retval;
    }        
    
    /**
     * Determine if the browser is Safari or not
     * @return boolean True if the browser is Safari otherwise false
     */
    protected function checkBrowserSafari() {
        $retval = false;
        if( preg_match('/Safari/i',$this->_agent) && ! preg_match('/iPhone/i',$this->_agent) && ! preg_match('/iPod/i',$this->_agent) ) {
            $aresult = explode('/',stristr($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);
            $retval = true;
        }
        return $retval;
    }        
    
    /**
     * Determine if the browser is iPhone or not
     * @return boolean True if the browser is iPhone otherwise false
     */
    protected function checkBrowseriPhone() {
        $retval = false;
        if( preg_match('/iPhone/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Version'));
            if( isset($aresult[1]) ) {
                $aversion = explode(' ',$aresult[1]);
                $this->setVersion($aversion[0]);
            }
            else {
                $this->setVersion(self::VERSION_UNKNOWN);
            }
            $this->setMobile();
            $this->setBrowser(self::BROWSER_IPHONE);
            $retval = true;
        }
        return $retval;
    }        
    /**
     * Determine if the browser is iPod or not
     * @return boolean True if the browser is iPod otherwise false
     */
    protected function checkBrowseriPod() {
        $retval = false;
        if( preg_match('/iPod/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Version'));
            if( isset($aresult[1]) ) {
                $aversion = explode(' ',$aresult[1]);
                $this->setVersion($aversion[0]);
            }
            else {
                $this->setVersion(self::VERSION_UNKNOWN);
            }
            $this->setMobile();
            $this->setBrowser(self::BROWSER_IPOD);
            $retval = true;
        }
        return $retval;
    }        
    /**
     * Determine if the browser is Android or not
     * @return boolean True if the browser is Android otherwise false
     */
    protected function checkBrowserAndroid() {
        $retval = false;
        if( preg_match('/Android/i',$this->_agent) ) {
            $aresult = explode('/',stristr($this->_agent,'Version'));
            if( isset($aresult[1]) ) {
                $aversion = explode(' ',$aresult[1]);
                $this->setVersion($aversion[0]);
            }
            else {
                $this->setVersion(self::VERSION_UNKNOWN);
            }
            $this->setMobile();
            $this->setBrowser(self::BROWSER_ANDROID);
            $retval = true;
        }
        return $retval;
    }        
    /**
     * Determine the user's platform
     */
    protected function checkPlatform() {
        if( preg_match('/iPhone/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_IPHONE;
        }
        else if( preg_match('/iPod/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_IPOD;
        }
        else if( preg_match('/BlackBerry/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_BLACKBERRY;
        }
        else if( preg_match('/win/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_WINDOWS;
        }
        elseif( preg_match('/mac/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_APPLE;
        }
        elseif( preg_match('/linux/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_LINUX;
        }
        elseif( preg_match('/OS\/2/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_OS2;
        }
        elseif( preg_match('/BeOS/i', $this->_agent) ) {
            $this->_platform = self::PLATFORM_BEOS;
        }
    }
}اول باید یک شی از کلاس بسازیم:
		PHP:
	
	$brw = new Browser();مثلا اگه بخواهیم اسم مرورگر رو دربیاریم اینجوری میشه:
		PHP:
	
	$name = $brw->getBrowser();
echo $name;کپی رایت : http://chrisschuld.com/projects/browser-php-detecting-a-users-browser-from-php/
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