PHP Code:
class Browser {
private $_agent = '';
private $_browser_name = '';
private $_version = '';
private $_platform = '';
private $_os = '';
private $_is_aol = false;
private $_aol_version = '';
const BROWSER_UNKNOWN = 'unknown';
const VERSION_UNKNOWN = 'unknown';
const BROWSER_OPERA = 'Opera';
const BROWSER_OPERAMINI = 'Opera Mini';
const BROWSER_WEBTV = 'WebTV';
const BROWSER_NETPOSITIVE = 'NetPositive';
const BROWSER_IE = 'Internet Explorer';
const BROWSER_POCKET_IE = 'Pocket Internet Explorer';
const BROWSER_GALEON = 'Galeon';
const BROWSER_KONQUEROR = 'Konqueror';
const BROWSER_ICAB = 'iCab';
const BROWSER_OMNIWEB = 'OmniWeb';
const BROWSER_PHOENIX = 'Phoenix';
const BROWSER_FIREBIRD = 'Firebird';
const BROWSER_FIREFOX = 'Firefox';
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 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_SYMBAIN = 'Symbian';
const OPERATING_SYSTEM_UNKNOWN = 'unknown';
public function __construct() {
$this->reset();
$this->determine();
}
/**
* Reset all properties
*/
public function reset() {
$this->_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->_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) { $this->_version = ereg_replace('[^0-9,.,a-z,A-Z]','',$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) { $this->_aol_version = ereg_replace('[^0-9,.,a-z,A-Z]','',$version); }
/**
* Is the browser from AOL?
* @return boolean True if the browser is from AOL otherwise false
*/
public function isAol() { return $this->_is_aol; }
/**
* 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 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->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->checkBrowserW3CValidator() ||
$this->checkBrowserMozilla() /* Mozilla is such an open standard that you must check it last */
);
}
/**
* 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( eregi("AOL", $this->_agent) ) {
$aversion = explode(' ',stristr($this->_agent, "AOL"));
$this->setAol(true);
$this->setAolVersion(ereg_replace("[^0-9,.,a-z,A-Z]", "", $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() {
$retval = false;
if( eregi('googlebot',$this->_agent) ) {
$aresult = explode("/",stristr($this->_agent,"googlebot"));
$aversion = explode(' ',$aresult[1]);
$this->setVersion($aversion[0]);
$this->_browser_name = self::BROWSER_GOOGLEBOT;
$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() {
$retval = false;
if( eregi('W3C-checklink',$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() {
$retval = false;
if( eregi('Slurp',$this->_agent) ) {
$aresult = explode("/",stristr($this->_agent,"Slurp"));
$aversion = explode(' ',$aresult[1]);
$this->setVersion($aversion[0]);
$this->_browser_name = self::BROWSER_SLURP;
$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( eregi('microsoft internet explorer', $this->_agent) ) {
$this->setBrowser(self::BROWSER_IE);
$this->setVersion('1.0');
$aresult = stristr($this->_agent, '/');
if( egeg('308|425|426|474|0b1', $var) ) {
$this->setVersion('1.5');
}
$retval = true;
}
// Test for versions > 1.5
else if( eregi('msie',$this->_agent) && !eregi('opera',$this->_agent) ) {
$aresult = explode(' ',stristr(str_replace(';','; ',$this->_agent),'msie'));
$this->setBrowser( self::BROWSER_IE );
$this->setVersion($aresult[1]);
$retval = true;
}
// Test for Pocket IE
else if( eregi('mspie',$this->_agent) || eregi('pocket', $this->_agent) ) {
$aresult = explode(' ',stristr($this->_agent,'mspie'));
$this->setPlatform( self::PLATFORM_WINDOWS_CE );
$this->setBrowser( self::BROWSER_POCKET_IE );
if( eregi('mspie', $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() {
$retval = false;
if (isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA']))
{
$_mob_browser = $_SERVER['HTTP_X_OPERAMINI_PHONE_UA'];
$_position=strpos(strtolower($_mob_browser),"nokia");
if($_position)$_mob_browser = substr($_mob_browser, $_position,25);
$_browser = explode ("/", $_mob_browser);
$this->setVersion($_browser[0]);
$this->_browser_name = self::BROWSER_OPERAMINI;
$retval = true;
}
else{
if( eregi('opera',$this->_agent) ) {
$resultant = stristr($this->_agent, 'opera');
if( eregi('/',$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() {
$retval = false;
if( eregi('webtv',$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() {
$retval = false;
if( eregi('NetPositive',$this->_agent) ) {
$aresult = explode('/',stristr($this->_agent,'NetPositive'));
$aversion = explode(' ',$aresult[1]);
$this->setVersion($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() {
$retval = false;
if( eregi('galeon',$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() {
$retval = false;
if( eregi('Konqueror',$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() {
$retval = false;
if( eregi('icab',$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() {
$retval = false;
if( eregi('omniweb',$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() {
$retval = false;
if( eregi('Phoenix',$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() {
$retval = false;
if( eregi('Firebird',$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 Firefox or not
* @return boolean True if the browser is Firefox otherwise false
*/
protected function checkBrowserFirefox() {
$retval = false;
if( eregi('Firefox',$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() {
$retval = false;
if( eregi('Mozilla',$this->_agent) && eregi('rv:[0-9].[0-9][a-b]',$this->_agent) && !eregi('netscape',$this->_agent)) {
$aversion = explode(' ',stristr($this->_agent,'rv:'));
eregi('rv:[0-9].[0-9][a-b]',$this->_agent,$aversion);
if(!$aversion)$aversion = explode ("/", $this->_agent);
$this->setVersion($aversion[0]);
$this->setBrowser(self::BROWSER_MOZILLA);
$retval = true;
}
else if( eregi('mozilla',$this->_agent) && eregi('rv:[0-9]\.[0-9]',$this->_agent) && !eregi('netscape',$this->_agent) ) {
$aversion = explode(" ",stristr($this->_agent,'rv:'));
eregi('rv:[0-9]\.[0-9]\.[0-9]',$this->_agent,$aversion);
$this->setVersion($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() {
$retval = false;
if( eregi('libwww',$this->_agent) && eregi("lynx", $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() {
$retval = false;
if( eregi('libwww',$this->_agent) && eregi("amaya", $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 Safari otherwise false
*/
protected function checkBrowserChrome() {
$retval = false;
if( eregi('Chrome',$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() {
$retval = false;
if( eregi('Safari',$this->_agent) && ! eregi('iPhone',$this->_agent)&& ! eregi('Mozilla',$this->_agent) && ! eregi('iPod',$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() {
$retval = false;
if( eregi('iPhone',$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_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() {
$retval = false;
if( eregi('iPod',$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_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() {
$retval = false;
if( eregi('Android',$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_ANDROID);
$retval = true;
}
return $retval;
}
/**
* Determine the user's platform
*/
protected function checkPlatform() {
if( eregi("iPhone", $this->_agent) ) {
$this->_platform = self::PLATFORM_IPHONE;
}
else if( eregi("iPod", $this->_agent) ) {
$this->_platform = self::PLATFORM_IPOD;
}
else if( eregi("win", $this->_agent) ) {
$this->_platform = self::PLATFORM_WINDOWS;
}
elseif( eregi("mac", $this->_agent) ) {
$this->_platform = self::PLATFORM_APPLE;
}
elseif( eregi("linux", $this->_agent) ) {
$this->_platform = self::PLATFORM_LINUX;
}
elseif( eregi("OS/2", $this->_agent) ) {
$this->_platform = self::PLATFORM_OS2;
}
elseif( eregi("BeOS", $this->_agent) ) {
$this->_platform = self::PLATFORM_BEOS;
}
elseif( eregi("symbain", $this->_agent) ) {
$this->_platform = self::PLATFORM_SYMBIAN;
}
}
} ?>PHP Code:
echo"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
";
require_once('Browser.php'); $browser = new Browser(); $thebrowser = $browser->getBrowser(); $getPlatform = $browser->getPlatform(); $ver = $browser->getVersion();
echo "$thebrowser $ver $getPlatform";
echo"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"; 
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