PHP 检测手机浏览器的代码

php    
 
     
 
 function is_mobile(){    
 
     
 
     // returns true if one of the specified mobile browsers is detected    
 
      
 
    $regex_match="/(nokiaiphoneandroidmotorola^mot\-softbankfomadocomokddiup\.browserup\.link";    
 
     $regex_match.="htcdopodblazernetfrontheliohosinhuaweinovarraCoolPadwebostechfaithpalmsource";    
 
    $regex_match.="blackberryalcatelamoiktouchnexiansamsung^sam\-s[cg]h^lgeericssonphilipssagemwellcombunjalloomaui";        
 
    $regex_match.="symbiansmartphonemidpwapphonewindows ceiemobile^spice^bird^zte\-longcospantechgionee^sie\-portalmmm";    
 
     $regex_match.="jig\s browserhiptop^ucweb^benqhaier^lctopera\s*mobiopera\*mini320x320240x320176x220";    
 
    $regex_match.=")/i";            
 
     return isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE']) or preg_match($regex_match, strtolower($_SERVER['HTTP_USER_AGENT']));    
 
 }    
 
      
 
 /*    
 
 allow the user a way to force either the full or mobile versions of the site - use a GET parameter on requests:    
 
     
 
 include likes to both versions of the site w/ the special force mode parameters, 'mobile' and 'full':    
 
     
 
 <a href="http://www.example.org/?mobile">View Mobile Sitea>    
 
 <a href="http://www.example.org/?full">View Full Sitea>    
 
     
 
 Always check for 'mobile' or 'full' parameters before accounting for any User-Agent conditions:    
 
 */   
 
      
 
 if ($_GET['mobile']) {    
 
  $is_mobile = true;    
 
 }    
 
       
 
 if ($_GET['full']) {    
 
 $is_mobile = false;    
 
 }    
 
 if($is_mobile) {    
 
    //it's a mobile browser, do something    
 
     header("Location: http://www.yoursite.com/mobile");    
 
} else {    
 
     //it's not a mobile browser, do something else    
 
     header("Location: http://www.yoursite.com/desktop");    
 
     // or instead of a redirect, simply build html below    
 
}    
 
      
 
 ?>