//判断是否使用h5微信支付，和wap支付宝支付
functionisMobile(){
//如果有HTTP_X_WAP_PROFILE则一定是移动设备
if(isset($_SERVER['HTTP_X_WAP_PROFILE'])){
returntrue;
}
//如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
if(isset($_SERVER['HTTP_VIA'])){
//找不到为flase,否则为true
returnstristr($_SERVER['HTTP_VIA'],"wap")?true:false;
}
//脑残法，判断手机发送的客户端标志,兼容性有待提高。其中'MicroMessenger'是电脑微信
if(isset($_SERVER['HTTP_USER_AGENT'])){
$clientkeywords=array('nokia','sony','ericsson','mot','samsung','htc','sgh','lg','sharp','sie-','philips','panasonic','alcatel','lenovo','iphone','ipod','blackberry','meizu','android','netfront','symbian','ucweb','windowsce','palm','operamini','operamobi','openwave','nexusone','cldc','midp','wap','mobile','MicroMessenger');
//从HTTP_USER_AGENT中查找手机浏览器的关键字
if(preg_match("/(".implode('|',$clientkeywords).")/i",strtolower($_SERVER['HTTP_USER_AGENT']))){
returntrue;
}
}
//协议法，因为有可能不准确，放到Z后判断
if(isset($_SERVER['HTTP_ACCEPT'])){
//如果只支持wml并且不支持html那一定是移动设备
//如果支持wml和html但是wml在html之前则是移动设备
if((strpos($_SERVER['HTTP_ACCEPT'],'vnd.wap.wml')!==false)&&(strpos($_SERVER['HTTP_ACCEPT'],'text/html')===false||(strpos($_SERVER['HTTP_ACCEPT'],'vnd.wap.wml')
returntrue;
}
}
returnfalse;
}
//判断是否微信浏览器，可用在公众号支付时使用
functionisWeixin(){
if(strpos($_SERVER['HTTP_USER_AGENT'],'MicroMessenger')!==false){
returntrue;
}else{
returnfalse;
}
}
