function qq_status(){
if (empty($qq))$qq = 287959133;
$url = 'http://wpa.qq.com/pa?p=2:'.$qq.':52';
$Headers = get_headers($url, 1);
if ($Headers['Location']=='http://pub.idqqimg.com/qconn/wpa/button/button_121.gif'){
$Status = 1; //QQ在线
}elseif ($Headers['Location']=='http://pub.idqqimg.com/qconn/wpa/button/button_120.gif'){
$Status = 2; //QQ离线
}else {
$Status = 0; //未知
}
Return $Status;
}
$qqwp = qq_status('287959133'); //测试QQ是否在线,返回1=在线,返回2=离线,返回0=错误
if ($qqwp==1){
echo 'QQ在线';
}elseif ($qqwp==2){
echo 'QQ离线';
}else {
echo '出错了';
}