用PHP检测用户是用手机(Mobile)还是电脑(PC)访问网站

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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1 2	include("Mobile_Detect.php"); $detect = new Mobile_Detect();

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()