用PHP判断客户端是否是手机

 1 <?php 2 function isMobile(){ 3     $useragent = isset($_SERVER['HTTP_USER_AGENT'])? $_SERVER['HTTP_USER_AGENT']: ''; 4     $mobile_list = array('Google Wireless Transcoder','Windows CE','WindowsCE', 5         'Symbian', 'Android','armv6l','armv5','Mobile','CentOS','mowser', 6         'AvantGo','Opera Mobi','J2ME/MIDP', 7         'Smartphone','Go.Web','Palm','ipAQ', 8         'PRofile/MIDP', 'Configuration/CLDC-', 9         '160×160','176×220','240×240','240×320','320×240',10         'UP.Browser','UP.Link','SymbianOS','PalmOS','PocketPC','SonyEriCSSon',11         'Nokia','BlackBerry','Vodafone',12         'BenQ','Novarra-Vision','Iris','NetFront','HTC_','Xda_','SAMSUNG-SGH',13         'Wapaka','DoCoMo','iPhone','iPod'14     );15     foreach($mobile_list as $keyWord){16         if(false !== strpos($useragent, $keyword)){17             return true;18         }19     }20     return false;21 }22 echo isMobile()? 'mobile': 'pc';