[通过 User Agent 识别微信和支付宝内置浏览器] #tags:微信,支付宝,浏览器

user_agent.js

function is_weixin()
{
    var ua = navigator.userAgent.toLowerCase();

    if(ua.match(/MicroMessenger/i) == "micromessenger")
    {
        return true;
    } 
    else 
    {
        return false;
    }
}

function is_zhi()
{
    var ua = navigator.userAgent.toLowerCase();

    if(ua.match(/MicroMessenger/i) == "AlipayClient")
    {
        return true;
    } 
    else 
    {
        return false;
    }
}

user_agent.php

function is_weixin()
{ 
    if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false ) {
        return true;
    }

    return false;
}

function is_zhi()
{ 
    if ( strpos($_SERVER['HTTP_USER_AGENT'], 'AlipayClient') !== false ) {
        return true;
    }

    return false;
}