<?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'; const BROWSER_OPERA_MINI = 'Opera Mini'; const BROWSER_WEBTV = 'WebTV'; const BROWSER_IE = 'Internet Explorer'; const BROWSER_POCKET_IE = 'Pocket Internet Explorer'; const BROWSER_KONQUEROR = 'Konqueror'; const BROWSER_ICAB = 'iCab'; const BROWSER_OMNIWEB = 'OmniWeb'; const BROWSER_FIREBIRD = 'Firebird'; const BROWSER_FIREFOX = 'Firefox'; const BROWSER_SHIRETOKO = 'Shiretoko'; const BROWSER_MOZILLA = 'Mozilla'; const BROWSER_AMAYA = 'Amaya'; const BROWSER_LYNX = 'Lynx'; const BROWSER_SAFARI = 'Safari'; const BROWSER_IPHONE = 'iPhone'; const BROWSER_IPOD = 'iPod'; const BROWSER_CHROME = 'Chrome'; const BROWSER_ANDROID = 'Android'; const BROWSER_GOOGLEBOT = 'GoogleBot'; const BROWSER_SLURP = 'Yahoo! Slurp'; const BROWSER_W3CVALIDATOR = 'W3C Validator'; const BROWSER_BLACKBERRY = 'BlackBerry'; const BROWSER_ICECAT = 'IceCat'; const BROWSER_NETSCAPE_NAVIGATOR = 'Netscape Navigator'; const BROWSER_GALEON = 'Galeon'; const BROWSER_NETPOSITIVE = 'NetPositive'; const BROWSER_PHOENIX = 'Phoenix'; 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(); } 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; $this->_aol_version = self::VERSION_UNKNOWN; } function isBrowser($browserName) { return( 0 == strcasecmp($this->_browser_name, trim($browserName))); } public function getBrowser() { return $this->_browser_name; } public function setBrowser($browser) { return $this->_browser_name = $browser; } public function getPlatform() { return $this->_platform; } public function setPlatform($platform) { return $this->_platform = $platform; } public function getVersion() { return $this->_version; } public function setVersion($version) { $this->_version = preg_replace('[^0-9,.,a-z,A-Z]','',$version); } public function getAolVersion() { return $this->_aol_version; } public function setAolVersion($version) { $this->_aol_version = preg_replace('[^0-9,.,a-z,A-Z]','',$version); } public function isAol() { return $this->_is_aol; } public function isMobile() { return $this->_is_mobile; } public function isRobot() { return $this->_is_robot; } public function setAol($isAol) { $this->_is_aol = $isAol; } public function getUserAgent() { return $this->_agent; } public function setUserAgent($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 function determine() { $this->checkPlatform(); $this->checkBrowsers(); $this->checkForAol(); } 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() ); } 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; } 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; } 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; } 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; } 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; } protected function checkBrowserInternetExplorer() { $retval = false; 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'); } $retval = true; } else if( preg_match('/msie/i',$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])); $retval = true; } else if( preg_match('/mspie/i',$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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } } } ?>