php学习笔记之数组遍历练习题1

练习题一：

设置数组
$attr = array(
array("n001","汉族"),
array("n002","回族"),
array("n003","苗族"),
array("n004","维吾尔族"),
);

//1.要求用下拉列表的样式显示在页面上
<?php
/*foreach($a as $v)
{
echo"<option>{$v[0]}</option>";
}?>
</select>
<select>
<?php
foreach($a as $v)
{
echo "<option>{$v[1]}</option>";
}*/
?>
//2.要求用checkbox/radio 列表 显示在页面上

<?php
foreach($a as $v)
{
echo
"<input type='checkbox'/>{$v[0]}",
"<input type='checkbox'/>{$v[1]}.<br>";
}
?>

插入代码

<?php
$attr=array(
array("n01","汉族"),
array("n02","回族"),
array("n03","苗族")
);
?>
<select>
<?php

foreach($attr as $a)
{echo "<option>{$a[0]}{$a[1]}</option>";    }
?>
</select>
<br />

<label>
<?php
foreach($attr as $a)
{echo "<input type=checkbox>{$a[0]}{$a[1]}.<br />";}

?>
</label>

在页面显示结果是：

北宋小康康（koker）2016-06-0415:49:47