根据ping的返回值判断电脑是否在线

array("192.168.0.118","王五","行政",),
    "name4" =>array("192.168.0.140","李四","财务",),
    "name5" =>array("192.168.0.10","张三","后勤",),
    );

echo "";
echo "姓名";
echo "部门";
echo "状态";

foreach ($kkk as $ddd) {
    unset($result);
    exec("ping $ddd[0] -n 1",$result,$rval);

    if ($result[3] == $key){
        echo "\n";
        echo "$ddd[1]";
        echo "$ddd[2]";
        echo "离线";
        echo "";
    }else{
        echo "\n";
        echo "$ddd[1]";
        echo "$ddd[2]";
        echo "在线";
        echo "";
    }
}
?>