判断微信和支付宝扫码

//判断微信还是支付宝扫码
	public function haha(){
		//获取用户信息
		//dump($_SERVER['HTTP_USER_AGENT']);
		//判断是不是微信
		if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false ) {  
                        echo "Weixin";  
		}    
		//判断是不是支付宝
		if (strpos($_SERVER['HTTP_USER_AGENT'], 'AlipayClient') !== false) {
			echo "Alipay";  
		}
		
		
	}