class DeviceDetector
{
/**
* Current version number of DeviceDetector
*/
const VERSION = '3.9.1';
/**
* Holds all registered client types
* @var array
*/
public static $clientTypes = array();
/**
* Operating system families that are known as desktop only
*
* @var array
*/
protected static $desktopOsArray = array('AmigaOS', 'IBM', 'GNU/Linux', 'Mac', 'Unix', 'Windows', 'BeOS', 'Chrome OS');
/**
* Constant used as value for unknown browser / os
*/
const UNKNOWN = "UNK";User Agent is called user agent in Chinese, or UA for short. It is a special string header that allows the server to identify the operating system and version, CPU type, browser and version, browser rendering engine, and browser used by the customer. Languages, browser plug-ins, etc.
Some websites often send different pages to different operating systems and different browsers by judging the UA. Therefore, some pages may not be displayed properly in a certain browser, but it can be bypassed by disguising the UA. Passed testing.
The browser's UA string
The standard format is: browser identification (operating system identification; encryption level identification; browser language) rendering engine identification version information
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