Docs For Class BrowserDetection

method addCustomBrowserDetection [line 337]

boolean addCustomBrowserDetection(
string
$browserName, [mixed
$uaNameToLookFor = ''], [boolean
$isMobile = false], [boolean
$isRobot = false], [string
$separator = '/'], [boolean
$uaNameFindWords = true])

Dynamically add support for a new Web browser.

Tags:

return:	Returns true if the custom rule has been added, false otherwise.
see:	BrowserDetection::removeCustomBrowserDetection()
access:	public

Parameters:

string	$browserName	The Web browser name (used for display).
mixed	$uaNameToLookFor	(optional) The string (or array of strings) representing the browser name to find in the user agent. If omitted, $browserName will be used.
boolean	$isMobile	(optional) Determines if the browser is from a mobile device.
boolean	$isRobot	(optional) Determines if the browser is a robot or not.
string	$separator	(optional) The separator string used to split the browser name and the version number in the user agent.
boolean	$uaNameFindWords	(optional) Determines if the browser name to find should match a word instead of a part of a word. For example "Bar" would not be found in "FooBar" when true but would be found in "Foo Bar". When set to false, the browser name can be found anywhere in the user agent string.

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method addCustomPlatformDetection [line 362]

boolean addCustomPlatformDetection(
string
$platformName, [mixed
$platformNameToLookFor = ''], [boolean
$isMobile = false])

Dynamically add support for a new platform.

Tags:

return:	Returns true if the custom rule has been added, false otherwise.
see:	BrowserDetection::removeCustomPlatformDetection()
access:	public

Parameters:

string	$platformName	The platform name (used for display).
mixed	$platformNameToLookFor	(optional) The string (or array of strings) representing the platform name to find in the user agent. If omitted, $platformName will be used.
boolean	$isMobile	(optional) Determines if the platform is from a mobile device.

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method androidVerToStr [line 653]

string androidVerToStr(
string
$androidVer)

Convert the Android version numbers to the operating system name. For instance '1.6' returns 'Donut'.

Tags:

return:	The operating system name or the constant PLATFORM_VERSION_UNKNOWN if nothing match the version numbers.
access:	protected

Parameters:

string

$androidVer

The Android version numbers as a string.

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constructor __construct [line 284]

BrowserDetection __construct(
[string
$useragent = ''])

BrowserDetection class constructor.

Tags:

access:

public

Parameters:

string

$useragent

(optional) The user agent to work with. Leave empty for the current user agent (contained in $_SERVER['HTTP_USER_AGENT']).

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method checkBrowserAndroid [line 698]

boolean checkBrowserAndroid(
)

Determine if the browser is the Android browser (based on the WebKit layout engine and coupled with Chrome's JavaScript engine) or not.

Tags:

return:	Returns true if the browser is the Android browser, false otherwise.
access:	protected

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method checkBrowserBingbot [line 710]

boolean checkBrowserBingbot(
)

Determine if the browser is the Bingbot crawler or not.

Tags:

return:	Returns true if the browser is Bingbot, false otherwise.
link:	http://www.bing.com/webmaster/help/which-crawlers-does-bing-use-8c184ec0
access:	protected

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method checkBrowserBlackBerry [line 721]

boolean checkBrowserBlackBerry(
)

Determine if the browser is the BlackBerry browser or not.

Tags:

return:	Returns true if the browser is the BlackBerry browser, false otherwise.
link:	http://supportforums.blackberry.com/t5/Web-and-WebWorks-Development/How-to-detect-the-BlackBerry-Browser/ta-p/559862
access:	protected

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method checkBrowserChrome [line 757]

boolean checkBrowserChrome(
)

Determine if the browser is Chrome or not.

Tags:

return:	Returns true if the browser is Chrome, false otherwise.
link:	http://www.google.com/chrome/
access:	protected

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method checkBrowserCustom [line 768]

boolean checkBrowserCustom(
)

Determine if the browser is among the custom browser rules or not. Rules are checked in the order they were added.

Tags:

return:	Returns true if we found the browser we were looking for in the custom rules, false otherwise.
access:	protected

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method checkBrowserEdge [line 788]

boolean checkBrowserEdge(
)

Determine if the browser is Edge or not.

Tags:

return:	Returns true if the browser is Edge, false otherwise.
access:	protected

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method checkBrowserFirebird [line 798]

boolean checkBrowserFirebird(
)

Determine if the browser is Firebird or not. Firebird was the name of Firefox from version 0.6 to 0.7.1.

Tags:

return:	Returns true if the browser is Firebird, false otherwise.
access:	protected

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method checkBrowserFirefox [line 809]

boolean checkBrowserFirefox(
)

Determine if the browser is Firefox or not.

Tags:

return:	Returns true if the browser is Firefox, false otherwise.
link:	http://www.mozilla.org/en-US/firefox/new/
access:	protected

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method checkBrowserGooglebot [line 830]

boolean checkBrowserGooglebot(
)

Determine if the browser is the Googlebot crawler or not.

Tags:

return:	Returns true if the browser is Googlebot, false otherwise.
access:	protected

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method checkBrowserIcab [line 850]

boolean checkBrowserIcab(
)

Determine if the browser is iCab or not.

Tags:

return:	Returns true if the browser is iCab, false otherwise.
link:	http://www.icab.de/
access:	protected

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method checkBrowserIceCat [line 862]

boolean checkBrowserIceCat(
)

Determine if the browser is GNU IceCat (formerly known as GNU IceWeasel) or not.

Tags:

return:	Returns true if the browser is GNU IceCat, false otherwise.
link:	http://www.gnu.org/software/gnuzilla/
access:	protected

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method checkBrowserIceWeasel [line 873]

boolean checkBrowserIceWeasel(
)

Determine if the browser is GNU IceWeasel (now know as GNU IceCat) or not.

Tags:

return:	Returns true if the browser is GNU IceWeasel, false otherwise.
see:	BrowserDetection::checkBrowserIceCat()
access:	protected

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method checkBrowserInternetExplorer [line 885]

boolean checkBrowserInternetExplorer(
)

Determine if the browser is Internet Explorer or not.

Tags:

return:	Returns true if the browser is Internet Explorer, false otherwise.
link:	http://www.microsoft.com/ie/
link:	http://en.wikipedia.org/wiki/Internet_Explorer_Mobile
access:	protected

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method checkBrowserKonqueror [line 976]

boolean checkBrowserKonqueror(
)

Determine if the browser is Konqueror or not.

Tags:

return:	Returns true if the browser is Konqueror, false otherwise.
link:	http://www.konqueror.org/
access:	protected

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method checkBrowserLynx [line 988]

boolean checkBrowserLynx(
)

Determine if the browser is Lynx or not. It is the oldest web browser currently in general use and development.

It is a text-based only Web browser.

Tags:

return:	Returns true if the browser is Lynx, false otherwise.
link:	http://en.wikipedia.org/wiki/Lynx
access:	protected

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method checkBrowserMozilla [line 998]

boolean checkBrowserMozilla(
)

Determine if the browser is Mozilla or not.

Tags:

return:	Returns true if the browser is Mozilla, false otherwise.
access:	protected

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method checkBrowserMsnBot [line 1009]

boolean checkBrowserMsnBot(
)

Determine if the browser is the MSNBot crawler or not. In October 2010 it was replaced by the Bingbot robot.

Tags:

return:	Returns true if the browser is MSNBot, false otherwise.
see:	BrowserDetection::checkBrowserBingbot()
access:	protected

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method checkBrowserMsnTv [line 1020]

boolean checkBrowserMsnTv(
)

Determine if the browser is MSN TV (formerly WebTV) or not.

Tags:

return:	Returns true if the browser is WebTv, false otherwise.
link:	http://en.wikipedia.org/wiki/MSN_TV
access:	protected

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method checkBrowserNetscape [line 1031]

boolean checkBrowserNetscape(
)

Determine if the browser is Netscape or not. Official support for this browser ended on March 1st, 2008.

Tags:

return:	Returns true if the browser is Netscape, false otherwise.
link:	http://en.wikipedia.org/wiki/Netscape
access:	protected

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method checkBrowserNokia [line 1084]

boolean checkBrowserNokia(
)

Determine if the browser is a Nokia browser or not.

Tags:

return:	Returns true if the browser is a Nokia browser, false otherwise.
link:	http://www.developer.nokia.com/Community/Wiki/User-Agent_headers_for_Nokia_devices
access:	protected

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method checkBrowserOpera [line 1111]

boolean checkBrowserOpera(
)

Determine if the browser is Opera or not.

Tags:

return:	Returns true if the browser is Opera, false otherwise.
link:	http://my.opera.com/community/openweb/idopera/
link:	http://www.opera.com/
link:	http://www.opera.com/mobile/
link:	http://www.opera.com/mini/
access:	protected

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method checkBrowserPhoenix [line 1147]

boolean checkBrowserPhoenix(
)

Determine if the browser is Phoenix or not. Phoenix was the name of Firefox from version 0.1 to 0.5.

Tags:

return:	Returns true if the browser is Phoenix, false otherwise.
access:	protected

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method checkBrowsers [line 1157]

boolean checkBrowsers(
)

Determine what is the browser used by the user.

Tags:

return:	Returns true if the browser has been identified, false otherwise.
access:	protected

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method checkBrowserSafari [line 1206]

boolean checkBrowserSafari(
)

Determine if the browser is Safari or not.

Tags:

return:	Returns true if the browser is Safari, false otherwise.
link:	http://en.wikipedia.org/wiki/Safari_version_history#Release_history
link:	http://web.archive.org/web/20080514173941/http://developer.apple.com/internet/safari/uamatrix.html
link:	http://www.apple.com/safari/
access:	protected

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method checkBrowserSamsung [line 1245]

boolean checkBrowserSamsung(
)

Determine if the browser is the Samsung Internet browser or not.

Tags:

return:	Returns true if the browser is the the Samsung Internet browser, false otherwise.
access:	protected

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method checkBrowserSlurp [line 1255]

boolean checkBrowserSlurp(
)

Determine if the browser is the Yahoo! Slurp crawler or not.

Tags:

return:	Returns true if the browser is Yahoo! Slurp, false otherwise.
access:	protected

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method checkBrowserUAWithVersion [line 1275]

boolean checkBrowserUAWithVersion(
mixed
$uaNameToLookFor, string
$userAgent, string
$browserName, [boolean
$isMobile = false], [boolean
$isRobot = false], [boolean
$findWords = true])

Test the user agent for a specific browser that use a "Version" string (like Safari and Opera). The user agent should look like: "Version/1.0 Browser name/123.456" or "Browser name/123.456 Version/1.0".

Tags:

return:	Returns true if we found the browser we were looking for, false otherwise.
access:	protected

Parameters:

mixed	$uaNameToLookFor	The string (or array of strings) representing the browser name to find in the user agent.
string	$userAgent	The user agent string to work with.
string	$browserName	The literal browser name. Always use a class constant!
boolean	$isMobile	(optional) Determines if the browser is from a mobile device.
boolean	$isRobot	(optional) Determines if the browser is a robot or not.
boolean	$findWords	(optional) Determines if the needle should match a word to be found. For example "Bar" would not be found in "FooBar" when true but would be found in "Foo Bar". When set to false, the needle can be found anywhere in the haystack.

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method checkBrowserUC [line 1308]

boolean checkBrowserUC(
)

Determine if the browser is UC Browser or not.

Tags:

return:	Returns true if the browser is UC Browser, false otherwise.
access:	protected

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method checkBrowserW3CValidator [line 1319]

boolean checkBrowserW3CValidator(
)

Determine if the browser is the W3C Validator or not.

Tags:

return:	Returns true if the browser is the W3C Validator, false otherwise.
link:	http://validator.w3.org/
access:	protected

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method checkBrowserYahooMultimedia [line 1356]

boolean checkBrowserYahooMultimedia(
)

Determine if the browser is the Yahoo! multimedia crawler or not.

Tags:

return:	Returns true if the browser is the Yahoo! multimedia crawler, false otherwise.
access:	protected

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method checkPlatform [line 1365]

void checkPlatform(
)

Determine the user's platform.

Tags:

access:

protected

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method checkPlatformCustom [line 1432]

boolean checkPlatformCustom(
)

Determine if the platform is among the custom platform rules or not. Rules are checked in the order they were added.

Tags:

return:	Returns true if we found the platform we were looking for in the custom rules, false otherwise.
access:	protected

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method checkPlatformVersion [line 1453]

void checkPlatformVersion(
)

Determine the user's platform version.

Tags:

access:

protected

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method checkSimpleBrowserUA [line 1528]

boolean checkSimpleBrowserUA(
mixed
$uaNameToLookFor, string
$userAgent, string
$browserName, [boolean
$isMobile = false], [boolean
$isRobot = false], [string
$separator = '/'], [boolean
$uaNameFindWords = true])

Test the user agent for a specific browser where the browser name is immediately followed by the version number.

The user agent should look like: "Browser name/1.0" or "Browser 1.0;".

Tags:

return:	Returns true if we found the browser we were looking for, false otherwise.
access:	protected

Parameters:

mixed	$uaNameToLookFor	The string (or array of strings) representing the browser name to find in the user agent.
string	$userAgent	The user agent string to work with.
string	$browserName	The literal browser name. Always use a class constant!
boolean	$isMobile	(optional) Determines if the browser is from a mobile device.
boolean	$isRobot	(optional) Determines if the browser is a robot or not.
string	$separator	(optional) The separator string used to split the browser name and the version number in the user agent.
boolean	$uaNameFindWords	(optional) Determines if the browser name to find should match a word instead of a part of a word. For example "Bar" would not be found in "FooBar" when true but would be found in "Foo Bar". When set to false, the browser name can be found anywhere in the user agent string.

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method cleanVersion [line 1617]

string cleanVersion(
string
$version)

Clean a version string from unwanted characters.

Tags:

return:	Returns the cleaned version number string.
access:	protected

Parameters:

string

$version

The version string to clean.

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method compareVersions [line 384]

int compareVersions(
string
$sourceVer, string
$compareVer)

Compare two version number strings.

Tags:

return:	Returns -1 if $sourceVer < $compareVer, 0 if $sourceVer == $compareVer or 1 if $sourceVer > $compareVer.
access:	public

Parameters:

string	$sourceVer	The source version number.
string	$compareVer	The version number to compare with the source version number.

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method containString [line 1576]

boolean containString(
string
$haystack, mixed
$needle, [boolean
$insensitive = true], [boolean
$findWords = true])

Find if one or more substring is contained in a string.

Tags:

return:	Returns true if the needle (or one of the needles) has been found in the haystack, false otherwise.
access:	protected

Parameters:

string	$haystack	The string to search in.
mixed	$needle	The string to search for. Can be a string or an array of strings if multiples values are to be searched.
boolean	$insensitive	(optional) Determines if we do a case-sensitive search (false) or a case-insensitive one (true).
boolean	$findWords	(optional) Determines if the needle should match a word to be found. For example "Bar" would not be found in "FooBar" when true but would be found in "Foo Bar". When set to false, the needle can be found anywhere in the haystack.

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method detect [line 1605]

void detect(
)

Detect the user environment from the details in the user agent string.

Tags:

access:

protected

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method getIECompatibilityView [line 441]

mixed getIECompatibilityView(
[boolean
$asArray = false])

Get the name and version of the browser emulated in the compatibility view mode (if any). Since Internet Explorer 8, IE can be put in compatibility mode to make websites that were created for older browsers, especially IE 6 and 7, look better in IE 8+ which renders web pages closer to the standards and thus differently from those older versions of IE.

Tags:

return:	If a string was requested, the function returns the name and version of the browser emulated in the compatibility view mode or an empty string if the browser is not in compatibility view mode. If an array was requested, an array with the keys 'browser' and 'version' is returned.
access:	public

Parameters:

boolean

$asArray

(optional) Determines if the return value must be an array (true) or a string (false).

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method getLibVersion [line 454]

string getLibVersion(
)

Return the BrowserDetection class version.

Tags:

return:	Returns the version as a sting with the #.#.# format.
access:	public

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method getName [line 426]

string getName(
)

Get the name of the browser. All of the return values are class constants. You can compare them like this: $myBrowserInstance->getName() == BrowserDetection::BROWSER_FIREFOX.

Tags:

return:	Returns the name of the browser.
access:	public

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method getPlatform [line 465]

string getPlatform(
)

Get the name of the platform family on which the browser is run on (such as Windows, Apple, etc.). All of the return values are class constants. You can compare them like this: $myBrowserInstance->getPlatform() == BrowserDetection::PLATFORM_ANDROID.

Tags:

return:	Returns the name of the platform or BrowserDetection::PLATFORM_UNKNOWN if unknown.
access:	public

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method getPlatformVersion [line 483]

string getPlatformVersion(
[boolean
$returnVersionNumbers = false], [boolean
$returnServerFlavor = false])

Get the platform version on which the browser is run on. It can be returned as a string number like 'NT 6.3' or as a name like 'Windows 8.1'. When returning version string numbers for Windows NT OS families the number is prefixed by 'NT ' to differentiate from older Windows 3.x & 9x release. At the moment only the Windows and Android operating systems are supported.

Tags:

return:	Returns the version name/version numbers of the platform or the constant PLATFORM_VERSION_UNKNOWN if unknown.
access:	public

Parameters:

boolean	$returnVersionNumbers	(optional) Determines if the return value must be versions numbers as a string (true) or the version name (false).
boolean	$returnServerFlavor	(optional) Since some Windows NT versions have the same values, this flag determines if the Server flavor is returned or not. For instance Windows 8.1 and Windows Server 2012 R2 both use version 6.3. This parameter is only useful when testing for Windows.

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method getUserAgent [line 519]

string getUserAgent(
)

Get the user agent value used by the class to determine the browser details.

Tags:

return:	The user agent string.
access:	public

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method getVersion [line 528]

string getVersion(
)

Get the version of the browser.

Tags:

return:	Returns the version of the browser or BrowserDetection::VERSION_UNKNOWN if unknown.
access:	public

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method iOSVerToStr [line 1650]

string iOSVerToStr(
string
$iOSVer)

Convert the iOS version numbers to the operating system name. For instance '2.0' returns 'iPhone OS 2.0'.

Tags:

return:	The operating system name.
access:	protected

Parameters:

string

$iOSVer

The iOS version numbers as a string.

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method is64bitPlatform [line 538]

boolean is64bitPlatform(
)

Determine if the browser is executed from a 64-bit platform. Keep in mind that not all platforms/browsers report this and the result may not always be accurate.

Tags:

return:	Returns true if the browser is executed from a 64-bit platform.
access:	public

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method isChromeFrame [line 548]

boolean isChromeFrame(
)

Determine if the browser runs Google Chrome Frame (it's a plug-in designed for Internet Explorer 6+ based on the open-source Chromium project - it's like a Chrome browser within IE).

Tags:

return:	Returns true if the browser is using Google Chrome Frame, false otherwise.
access:	public

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method isInIECompatibilityView [line 559]

boolean isInIECompatibilityView(
)

Determine if the browser is in compatibility view or not. Since Internet Explorer 8, IE can be put in compatibility mode to make websites that were created for older browsers, especially IE 6 and 7, look better in IE 8+ which renders web pages closer to the standards and thus differently from those older versions of IE.

Tags:

return:	Returns true if the browser is in compatibility view, false otherwise.
access:	public

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method isMobile [line 568]

boolean isMobile(
)

Determine if the browser is from a mobile device or not.

Tags:

return:	Returns true if the browser is from a mobile device, false otherwise.
access:	public

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method isRobot [line 577]

boolean isRobot(
)

Determine if the browser is a robot (Googlebot, Bingbot, Yahoo! Slurp...) or not.

Tags:

return:	Returns true if the browser is a robot, false otherwise.
access:	public

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method macVerToStr [line 1666]

string macVerToStr(
string
$macVer)

Convert the macOS version numbers to the operating system name. For instance '10.7' returns 'Mac OS X Lion'.

Tags:

return:	The operating system name or the constant PLATFORM_VERSION_UNKNOWN if nothing match the version numbers.
access:	protected

Parameters:

string

$macVer

The macOS version numbers as a string.

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method parseInt [line 1713]

int parseInt(
string
$intStr)

Get the integer value of a string variable.

Tags:

return:	The integer value of $intStr on success, or 0 on failure.
access:	protected

Parameters:

string

$intStr

The scalar value being converted to an integer.

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method removeCustomBrowserDetection [line 588]

boolean removeCustomBrowserDetection(
string
$browserName)

Remove support for a previously added Web browser.

Tags:

return:	Returns true if the custom rule has been found and removed, false otherwise.
see:	BrowserDetection::addCustomBrowserDetection()
access:	public

Parameters:

string

$browserName

The Web browser name as used when added.

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method removeCustomPlatformDetection [line 604]

boolean removeCustomPlatformDetection(
string
$platformName)

Remove support for a previously added platform.

Tags:

return:	Returns true if the custom rule has been found and removed, false otherwise.
see:	BrowserDetection::addCustomPlatformDetection()
access:	public

Parameters:

string

$platformName

The platform name as used when added.

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method reset [line 1722]

void reset(
)

Reset all the properties of the class.

Tags:

access:

protected

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method safariBuildToSafariVer [line 1744]

string safariBuildToSafariVer(
string
$version)

Convert a Safari build number to a Safari version number.

Tags:

return:	Returns the Safari version string. If the version can't be determined, an empty string is returned.
link:	http://web.archive.org/web/20080514173941/http://developer.apple.com/internet/safari/uamatrix.html
access:	protected

Parameters:

string

$version

A string representing the version number.

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method set64bit [line 1838]

void set64bit(
boolean
$is64bit)

Set if the browser is executed from a 64-bit platform.

Tags:

access:

protected

Parameters:

boolean

$is64bit

Value that tells if the browser is executed from a 64-bit platform.

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method setBrowser [line 1848]

void setBrowser(
string
$browserName)

Set the name of the browser.

Tags:

access:

protected

Parameters:

string

$browserName

The name of the browser.

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method setMobile [line 1858]

void setMobile(
[boolean
$isMobile = true])

Set the browser to be from a mobile device or not.

Tags:

access:

protected

Parameters:

boolean

$isMobile

(optional) Value that tells if the browser is on a mobile device or not.

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method setPlatform [line 1868]

void setPlatform(
string
$platform)

Set the platform on which the browser is on.

Tags:

access:

protected

Parameters:

string

$platform

The name of the platform.

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method setPlatformVersion [line 1878]

void setPlatformVersion(
string
$platformVer)

Set the platform version on which the browser is on.

Tags:

access:

protected

Parameters:

string

$platformVer

The version numbers of the platform.

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method setRobot [line 1888]

void setRobot(
[boolean
$isRobot = true])

Set the browser to be a robot (crawler) or not.

Tags:

access:

protected

Parameters:

boolean

$isRobot

(optional) Value that tells if the browser is a robot or not.

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method setUserAgent [line 619]

void setUserAgent(
[string
$agentString = ''])

Set the user agent to use with the class.

Tags:

access:

public

Parameters:

string

$agentString

(optional) The value of the user agent. If an empty string is sent (default), $_SERVER['HTTP_USER_AGENT'] will be used.

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method setVersion [line 1898]

void setVersion(
string
$version)

Set the version of the browser.

Tags:

access:

protected

Parameters:

string

$version

The version of the browser.

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method webKitBuildToSafariVer [line 1917]

string webKitBuildToSafariVer(
string
$version)

Convert a WebKit build number to a Safari version number.

Tags:

return:	Returns the Safari version string. If the version can't be determined, an empty string is returned.
link:	http://web.archive.org/web/20080514173941/http://developer.apple.com/internet/safari/uamatrix.html
access:	protected

Parameters:

string

$version

A string representing the version number.

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method windowsNTVerToStr [line 2026]

string windowsNTVerToStr(
string
$winVer, [boolean
$returnServerFlavor = false])

Convert the Windows NT family version numbers to the operating system name. For instance '5.1' returns 'Windows XP'.

Tags:

return:	The operating system name or the constant PLATFORM_VERSION_UNKNOWN if nothing match the version numbers.
access:	protected

Parameters:

string	$winVer	The Windows NT family version numbers as a string.
boolean	$returnServerFlavor	(optional) Since some Windows NT versions have the same values, this flag determines if the Server flavor is returned or not. For instance Windows 8.1 and Windows Server 2012 R2 both use version 6.3.

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method windowsVerToStr [line 2073]

string windowsVerToStr(
string
$winVer)

Convert the Windows 3.x & 9x family version numbers to the operating system name. For instance '4.10.1998' returns 'Windows 98'.

Tags:

return:	The operating system name or the constant PLATFORM_VERSION_UNKNOWN if nothing match the version numbers.
access:	protected

Parameters:

string

$winVer

The Windows 3.x or 9x family version numbers as a string.

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method wordPos [line 2107]

mixed wordPos(
string
$haystack, string
$needle, [boolean
$insensitive = true], [int
$offset = 0], [
&$foundString = NULL], string
$foundString)

Find the position of the first occurrence of a word in a string.

Tags:

return:	Returns the position of the needle (int) if found, false otherwise. Warning this function may return Boolean false, but may also return a non-Boolean value which evaluates to false.
access:	protected

Parameters:

string	$haystack	The string to search in.
string	$needle	The string to search for.
boolean	$insensitive	(optional) Determines if we do a case-sensitive search (false) or a case-insensitive one (true).
int	$offset	If specified, search will start this number of characters counted from the beginning of the string. If the offset is negative, the search will start this number of characters counted from the end of the string.
string	$foundString	String buffer that will contain the exact matching needle found. Set to NULL when return value of the function is false.
	&$foundString

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method __toString [line 293]

string __toString(
)

Determine how the class will react when it is treated like a string.

Tags:

return:	Returns an HTML formatted string with a summary of the browser informations.
access:	public

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