判断页面是否是微信打开的_PHP教程

<span $user_agent</span> = <span $_SERVER</span>['HTTP_USER_AGENT'<span ];
</span><span if</span> (<span strpos</span>(<span $user_agent</span>, 'MicroMessenger') === <span false</span><span ) {
    </span><span //</span><span  非微信浏览器禁止浏览</span>
    <span echo</span> "HTTP/1.1 401 Unauthorized"<span ;
} </span><span else</span><span  {
    </span><span //</span><span  微信浏览器，允许访问</span>
    <span echo</span> "MicroMessenger"<span ;
    </span><span //</span><span  获取版本号</span>
    <span preg_match</span>('/.*?(MicroMessenger\/([0-9.]+))\s*/', <span $user_agent</span>, <span $matches</span><span );
    </span><span echo</span> '<br>Version:'.<span $matches</span>[2<span ];
}</span>

<span 1</span> "HTTP_USER_AGENT": "Mozilla/5.0 (Linux; U; Android 4.1; zh-cn; Galaxy Nexus Build/Wind-Galaxy Nexus-V1.2) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 MicroMessenger/5.0.1.352"<span ,
</span><span 2</span> "HTTP_USER_AGENT": "Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; IEMobile/10.0; ARM; Touch; NOKIA; Nokia 920T)"<span ,
</span><span 3</span> "HTTP_USER_AGENT": "Mozilla/5.0 (iPhone; CPU iPhone OS 6_1_3 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Mobile/10B329 MicroMessenger/5.0.1",