有一个基于MIT License协议开源的PHP文件可以很方便地检测用户到底是用手机（Mobile）还是电脑（PC）访问网站。
下载地址为：http://code.google.com/p/php-mobile-detect/
Description
Mobile_Detect is a lightweight PHP class for detecting mobile devices. It uses the User-Agent string combined with specific HTTP headers to detect the mobile environment. Mobile_Detect is a simple PHP class for easy detection of the most popular mobile platforms: Android, iPhone, Blackberry, Opera Mini, Palm, Windows Mobile, as well as generic ones.
Basic Usage
Include and instantiate the class:
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include
(
"Mobile_Detect.php"
);
$detect
=
new
Mobile_Detect();
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Check for a specific platform:
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if
(
$detect
->isAndroid()) {
// code to run for the Google Android platform
}
//Available methods are
isAndroid(),
isAndroidtablet(),
isIphone(),
isIpad(),
isBlackberry(),
isBlackberrytablet(),
isPalm(),
isWindowsphone(),
isWindows(),
isGeneric().
/**
* Alternatively, if you are only interested in checking to see
* if the user is using a mobile device, without caring
* for specific platform:
*/
if
(
$detect
->isMobile()) {
// any mobile platform
}
// Details
// 1、Use isMobile() for detecting any kind of mobile device
// 2、Use isTablet() for detecting tablet devices
// Further detection You can detect specific devices
// by using case-insensitive pseudo-methods.
isiPhone()
isBlackBerry()
isHTC()
isNexus()
isDellStreak()
isMotorola()
isSamsung()
isSony()
isAsus()
isPalm()
isBlackBerryTablet()
isiPad()
isKindle()
isSamsungTablet()
isMotorolaTablet()
isAsusTablet()
isAndroidOS()
isBlackBerryOS()
isPalmOS()
isSymbianOS()
isWindowsMobileOS()
isiOS()
isChrome()
isDolfin()
isOpera()
isSkyfire()
isIE()
isFirefox()
isBolt()
isTeaShark()
isBlazer()
isSafari()
isMidori() 本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2012/08/06/2624823.html，如需转载请自行联系原作者
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