$attr = array(
    array("code","name","民族","年龄"),
    array("001","张三","汉族","23"),
    array("002","李四","回族","34"),
    array("003","王五","维吾尔族","53"),
    array("004","宋六","壮族","26")
);
echo "<table border='1px'>";
for($i=0;$i<count($attr);$i++)
{
    echo "<tr>";
    for($j=0;$j<count($attr[$i]);$j++)
    {
        echo "<td>".$attr[$i][$j]."</td>";
    }
    echo "</tr>";
}
echo "</table>";