_php tutorial for detecting Android devices via JavaScript or PHP

With the return of Steve Jobs, IPad2 's release, it seems that the mobile side of the development of the topic more and more hot. Here are some of the top competitors in iOS-android (Android) system detection method.

JavaScript Judgment method

Searching for the Android word in the user agent string is the most provincial way:

 
  

  
   
if (Navigator.userAgent.match (/android/i)) {  
  
   
   
  
   
   
  
   
   ' Http://android.davidwalsh.name ' ;  
  
   

 
  

PHP Judgment method

Again, we can use the Strstr method in PHP to search for Android in the user agent:

 
  

  
   
if (strstr($_server[' http_user_agent '],' Android ')) {  
  
   
   Header (' location:http://android.davidwalsh.name ');  
  
   
   Exit ();  
  
   

 
  

In addition, it can be judged by. htaccess.

We can use. htaccess to judge and respond to Android devices!

 
  

  
   
Rewritecond%{http_user_agent} ^.*android.*$  
  
   
rewriterule ^ (. *) $ http://android.davidwalsh.name [R=301
 
  

This allows you to master all three types of Android device detection methods.

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