protected function isPhone(){
???????$agent = strtolower($_SERVER[‘HTTP_USER_AGENT‘]);
???????//pc请求头信息数组
???????$pc_arr=array(‘windows nt‘,‘macintosh‘,‘ipad‘,‘baiduspider‘,‘spider‘);
???????//如确认为移动端则更改默认值
???????//没找到pc数组元素时判断为移动端
???????foreach($pc_arr as $k => $v){
??????????$pc=strpos($agent, $v) ? true : false;
??????????if($pc){
?????????????return false;
??????????}
???????}
???????return true;
???}
/**
???* 判断是否微信
???* liangzheng 2014-12-03
???*/
???protected function is_weixin(){
???????if ( strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘MicroMessenger‘) !== false ) {
???????????return true;
???????}
???????return false;
???}
php判断是否isPhone、is_weixin
原文地址：http://www.cnblogs.com/liu597864hu218/p/7472299.html