構造壹個函數來判斷，幫妳找了壹下別人博客上寫的：
function?getBrowserType(){$is_mobile?=?false;
$mobile_os_list=array('Google?Wireless?Transcoder','Windows?CE','WindowsCE','Symbian','Android','armv6l','armv5','Mobile','CentOS','mowser','AvantGo','Opera?Mobi','J2ME/MIDP','Smartphone','Go.Web','Palm','iPAQ');?
$mobile_token_list=array('Profile/MIDP','Configuration/CLDC-','160×160','176×220','240×240','240×320','320×240','UP.Browser','UP.Link','SymbianOS','PalmOS','PocketPC','SonyEricsson','Nokia','BlackBerry','Vodafone','BenQ','Novarra-Vision','Iris','NetFront','HTC_','Xda_','SAMSUNG-SGH','Wapaka','DoCoMo','iPhone','iPod');?
$is_mobile?=?false;
foreach?($mobile_os_list?as?$key=>$value)?{
if(strpos($_SERVER['HTTP_USER_AGENT'],$value)){
$is_mobile?=?true;
}
}
foreach?($mobile_token_list?as?$key=>$value)?{
if(strpos($_SERVER['HTTP_USER_AGENT'],$value)){
$is_mobile?=?true;
}
}
return?$is_mobile;
}