Determine if the browser is an Acer Iconia A500 Tablet or not, add by BugBuster
@return boolean True if the browser is an Acer Iconia A500 Tablet otherwise false
972221
protected function checkBrowserAndroidAcerA500()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'A500 Build') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setMobile(true);
                $this->setBrowser(self::BROWSER_ACER_A500);
                return true;
            }
        }
        return false;
    }
536537
public static function isUserAgentMobile() {
		
		$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : '';
		
		$devices = array('phone', 'iphone', 'itouch', 'ipod', 'symbian', 'android', 'htc_', 'htc-',
				'palmos', 'blackberry', 'opera mini', 'iemobile', 'windows ce', 'nokia', 'fennec',
				'hiptop', 'kindle', 'mot ', 'mot-', 'webos\/', 'samsung', 'sonyericsson', '^sie-',
				'nintendo');
		
		if (preg_match('/' . implode('|', $devices) . '/', $user_agent)) {
			return TRUE;
		} else {
			return FALSE;
		}
		
	}
264410
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;
    }
777948
public boolean detectNintendo() {

        if ((userAgent.indexOf(deviceNintendo) != -1)
            || (userAgent.indexOf(deviceWii) != -1)
            || (userAgent.indexOf(deviceNintendoDs) != -1)) {
            return true;
        }
        return false;
    }
151575
public static function checkBrowserIcab()
    {
        if (stripos(self::$userAgentString, 'icab') !== false) {
            $aversion = explode(' ', stristr(str_replace('/', ' ', self::$userAgentString), 'icab'));
            if (isset($aversion[1])) {
                self::$browser->setVersion($aversion[1]);
            }
            self::$browser->setName(Browser::ICAB);

            return true;
        }

        return false;
    }
686158
private function isSafariMobile()
  {
    $is = false;
    $tablet = false;
    $phone = false;
    if ( $this->browser == 'safari' || $this->isSafari() )
    {
      // We aren't differentiating between Safari and Apps. It doesn't matter for our purposes.
      // We also don't care if it's an iPod or iPhone, it's the size we care about.
      if ( preg_match("/(iPhone|iPod|iPad)/", $this->ua, $matches ) )
      {
        $is = true;
        $tablet = ( $matches[1] == 'iPad' );
        $phone = ($matches[1] == 'iPhone' || $matches[1] == 'iPod');
      }
    }

    if ( $is )
    {
      $this->android = false;
      $this->ios = true;
      $this->tablet = $tablet;
      $this->phone = $phone;
      $this->mobile = true;
      $this->touch = true;
    }

    return $is;
  }
1079239
function DetectAndroid()
   {
      if ($this->initCompleted == $this->true ||
          $this->isAndroid == $this->true)
         return $this->isAndroid;

      if ((stripos($this->useragent, $this->deviceAndroid) > -1)
          || ($this->DetectGoogleTV() == $this->true))
         return $this->true; 
      
      return $this->false; 
   }
101322
public static function isTablet(){
		self::setHttpHeaders();
		$userAgent=isset(self::$httpHeaders['HTTP_USER_AGENT'])?self::$httpHeaders['HTTP_USER_AGENT']:'';
		if(empty($userAgent))
			return false;
		foreach(self::$tabletDevices as $_regex)
			if(self::match($_regex, $userAgent))
				return true;
		return false;
		}
824372
def browser_is? name
      name = name.to_s.strip

      return true if browser_name == name
      return true if (name == 'mozilla' or name == "firefox") && browser_name == 'gecko'
      return true if name == 'ie6' && browser_name.index('ie6')
      return true if name == 'ie7' && browser_name.index('ie7')
      return true if name == 'ie' && browser_name.index('ie')
      return true if name == 'iphone' && browser_name == 'iphone'
      return true if name == 'webkit' && browser_name == 'safari'
    end
959654
public static function checkBrowserUC(){
		if ( stripos(self::$userAgentString, 'UBrowser') !== false) {
			$aresult = explode('/', stristr(self::$userAgentString, 'UBrowser') );
			if (isset($aresult[1])) {
				$aversion = explode(' ', $aresult[1]);
				self::$browser->setVersion($aversion[0]);
			}
			self::$browser->setName(Browser::UC);
			return true;
		}

		if ( stripos(self::$userAgentString, 'UCBrowser') !== false) {
			$aresult = explode('/', stristr(self::$userAgentString, 'UCBrowser') );
			if (isset($aresult[1])) {
				$aversion = explode(' ', $aresult[1]);
				self::$browser->setVersion($aversion[0]);
			}
			self::$browser->setName(Browser::UC);
			return true;
		}


		return false;
	}
1298518
protected function checkBrowserVivaldi() {
        if( stripos($this->_agent,'Vivaldi') !== false ) {
            $aresult = explode('/',stristr($this->_agent,'Vivaldi'));
            $aversion = explode(' ',$aresult[1]);
            $this->setVersion($aversion[0]);
            $this->setBrowser(self::BROWSER_VIVALDI);
            return true;
        }
        return false;
    }
167360
public function isMobile()
    {
        $userAgent = isset($_SERVER['USER_AGENT']) ? $_SERVER['USER_AGENT'] : null;
        if ($userAgent == null) {
            return false;
        }

        return preg_match('/android.+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i', $userAgent) || preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i', substr($userAgent, 0, 4));
    }
909200
protected function checkBrowserNetscape()
    {
        //BlackBerry & Nokia UAs can conflict with Netscape UAs
        if ($this->containString($this->_agent, array('BlackBerry', 'Nokia'), true, false)) {
            return false;
        }

        //Netscape v6 to v9 check
        if ($this->checkSimpleBrowserUA(array('Netscape', 'Navigator', 'Netscape6'), $this->_agent, self::BROWSER_NETSCAPE)) {
            return true;
        }

        //Netscape v1-4 (v5 don't exists)
        $found = false;
        if ($this->containString($this->_agent, 'Mozilla') && !$this->containString($this->_agent, 'rv:', true, false)) {
            $version = '';
            $verParts = explode('/', stristr($this->_agent, 'Mozilla'));
            if (count($verParts) > 1) {
                $verParts = explode(' ', $verParts[1]);
                $verParts = explode('.', $verParts[0]);

                $majorVer = $this->parseInt($verParts[0]);
                if ($majorVer > 0 && $majorVer < 5) {
                    $version = implode('.', $verParts);
                    $found = true;

                    if (strtolower(substr($version, -4)) == '-sgi') {
                        $version = substr($version, 0, -4);
                    } else {
                        if (strtolower(substr($version, -4)) == 'gold') {
                            $version = substr($version, 0, -4) . ' Gold'; //Doubles spaces (if any) will be normalized by setVersion()
                        }
                    }
                }
            }
        }

        if ($found) {
            $this->setBrowser(self::BROWSER_NETSCAPE);
            $this->setVersion($version);
            $this->setMobile(false);
            $this->setRobot(false);
        }

        return $found;
    }
1111759
protected function checkBrowserAndroidSamsungNexusS()
    {
        if( stripos($this->_agent,'Android') !== false )
        {
            if( stripos($this->_agent,'Nexus S Build') !== false )
            {
                $this->setVersion(self::VERSION_UNKNOWN);
                $this->setMobile(true);
                $this->setBrowser(self::BROWSER_SAMSUNG_NEXUS_S);
                return true;
            }
        }
        return false;
    }
331844
protected function checkBrowserAndroid()
    {
        if (stripos($this->_agent, 'Android') !== false) {
            $aresult = explode(' ', stristr($this->_agent, 'Android'));
            if (isset($aresult[1])) {
                $aversion = explode(' ', $aresult[1]);
                $this->setVersion($aversion[0]);
            } else {
                $this->setVersion(self::VERSION_UNKNOWN);
            }
            if (stripos($this->_agent, 'Mobile') !== false) {
                $this->setMobile(true);
            } else {
                $this->setTablet(true);
            }
            $this->setBrowser(self::BROWSER_ANDROID);
            return true;
        }
        return false;
    }
379021
protected function checkBrowserChrome()
    {
        if (stripos($this->_agent, 'Chrome') !== false) {
            $aresult = explode('/', stristr($this->_agent, 'Chrome'));
            if (isset($aresult[1])) {
                $aversion = explode(' ', $aresult[1]);
                $this->setVersion($aversion[0]);
                $this->setBrowser(self::BROWSER_CHROME);
                //Chrome on Android
                if (stripos($this->_agent, 'Android') !== false) {
                    if (stripos($this->_agent, 'Mobile') !== false) {
                        $this->setMobile(true);
                    } else {
                        $this->setTablet(true);
                    }
                }
                return true;
            }
        }
        return false;
    }
133392
public static function detectDevice(){
		if($_COOKIE['v']=='m'){
			self::$devicetype=DEVICE_TYPE_MPHONE;
			}
		elseif($_COOKIE['v']=='d'){
			self::$devicetype=DEVICE_TYPE_OTHER;
			}
		if(self::$devicetype==DEVICE_TYPE_UNKNOWN){
			self::$devicetype=self::isMobile()?(self::isTablet()?DEVICE_TYPE_TABLET:DEVICE_TYPE_MPHONE):DEVICE_TYPE_OTHER;
			}
		if(empty($_COOKIE['v'])){
			if(self::$devicetype==DEVICE_TYPE_MPHONE||self::$devicetype==DEVICE_TYPE_TABLET){
				$v='m';
				}
			elseif(self::$devicetype==DEVICE_TYPE_OTHER){
				$v='d';
				}
			$expire=time()+2592000;//30 days
			setcookie('v',$v,$expire,'/',BHOSTNAME);
			}
		return self::$devicetype;
		}