关注：php判断手机访问不生效怎么办

// 查看是否为手机端的方法//判断是手机登录还是电脑登录function ismobile() {    // 如果有HTTP_X_WAP_PROFILE则一定是移动设备    if (isset ($_SERVER["HTTP_X_WAP_PROFILE"]))        return true;        //此条摘自TPM智能切换模板引擎，适合TPM开发    if(isset ($_SERVER["HTTP_CLIENT"]) &&"PhoneClient"==$_SERVER["HTTP_CLIENT"])        return true;    //如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息    if (isset ($_SERVER["HTTP_VIA"]))        //找不到为flase,否则为true        return stristr($_SERVER["HTTP_VIA"], "wap") ? true : false;    //判断手机发送的客户端标志,兼容性有待提高    if (isset ($_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"        );        //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"]))) {            return true;        }    }    //协议法，因为有可能不准确，放到最后判断    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") < strpos($_SERVER["HTTP_ACCEPT"], "text/html")))) {            return true;        }    }    return false;}    // 查看是否为手机端的方法//判断是手机登录还是电脑登录function ismobile() {    // 如果有HTTP_X_WAP_PROFILE则一定是移动设备    if (isset ($_SERVER["HTTP_X_WAP_PROFILE"]))        return true;        //此条摘自TPM智能切换模板引擎，适合TPM开发    if(isset ($_SERVER["HTTP_CLIENT"]) &&"PhoneClient"==$_SERVER["HTTP_CLIENT"])        return true;    //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 ($_SERVER["HTTP_VIA"]))        //找不到为flase,否则为true        return stristr($_SERVER["HTTP_VIA"], "wap") ? true : false;    //判断手机发送的客户端标志,兼容性有待提高    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"        );        //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"]))) {            return true;        }    }    //协议法，因为有可能不准确，放到最后判断    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") < strpos($_SERVER["HTTP_ACCEPT"], "text/html")))) {            return true;        }    }    return false;}