php判斷手機還是電腦訪問網站的代碼

隨著現在智能手機的普及，使用手機上網的用戶數量可以說是劇增。為此很多人都開始重視手機網站建設，但是(shi)(shi)用(yong)(yong)戶訪問網站如何(he)讓手(shou)機用(yong)(yong)戶自動加(jia)載手(shou)機版卻成了大(da)家關(guan)心的(de)問題，最簡(jian)單的(de)方法(fa)是(shi)(shi)百度siteapp提供的(de)跳轉代碼(ma)。這里(li)為(wei)大(da)家提供了在開發階段(duan)直接使用(yong)(yong)php實現終端判(pan)斷的(de)方法(fa)。

function check_wap() {  
    if (isset($_SERVER['HTTP_VIA'])) return true;  
    if (isset($_SERVER['HTTP_X_NOKIA_CONNECTION_MODE'])) return true;  
    if (isset($_SERVER['HTTP_X_UP_CALLING_LINE_ID'])) return true;  
    if (strpos(strtoupper($_SERVER['HTTP_ACCEPT']),"VND.WAP.WML") > 0) {  
        // Check whether the browser/gateway says it accepts WML.  
        $br = "WML";  
    } else {  
        $browser = isset($_SERVER['HTTP_USER_AGENT']) ? trim($_SERVER['HTTP_USER_AGENT']) : '';  
        if(empty($browser)) return true;
        $mobile_os_list=array('Google Wireless Transcoder','Windows CE','WindowsCE','Symbian','Android','armv6l','armv5','Mobile','CentOS','mowser','AvantGo','Opera Mobi','J2ME/MIDP','Smartphone','Go.Web','Palm','iPAQ');  

        $mobile_token_list=array('Profile/MIDP','Configuration/CLDC-','160×160','176×220','240×240','240×320','320×240','UP.Browser','UP.Link','SymbianOS','PalmOS','PocketPC','SonyEricsson','Nokia','BlackBerry','Vodafone','BenQ','Novarra-Vision','Iris','NetFront','HTC_','Xda_','SAMSUNG-SGH','Wapaka','DoCoMo','iPhone','iPod');  

        $found_mobile=checkSubstrs($mobile_os_list,$browser) ||  
                  checkSubstrs($mobile_token_list,$browser);
        if($found_mobile)
            $br ="WML";
        else $br = "WWW";
    }  
    if($br == "WML") {  
        return true;  
    } else {  
        return false;  
    }  
}

function checkSubstrs($list,$str){
    $flag = false;
    for($i=0;$i 0){
            $flag = true;
            break;
        }
    }
    return $flag;
}

if(check_wap()){
    echo "wap";
}else{
echo "web";
}