public function whichpad()
{
$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
$is_iphone = (strpos($agent, 'iphone')) ? true : false;
$is_android = (strpos($agent, 'android')) ? true : false;
if($is_android==1||$is_iphone==1)
{
return "手机访问";
}else
{
return "电脑或者iPad访问";
}
}
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