php 数据遍历
<?php//定义一个数组
$arr = array(0=>"zero", 1=>"one", 2=>"two");
//使用第一种方法对数组进行遍历
foreach ($arr as $value) {
echo "Value: $value; ";
}
echo "<BR>";
//使用第二种方法对数组进行遍历
foreach ($arr as $key => $value) {
echo "Key: $key; Value: $value; ";
}
?>
<?php
//定义一个数组
$arr = array(0=>"zero", 1=>"one", 2=>"two");
//使用第一种方法对数组进行遍历
foreach ($arr as $value) {
echo "Value: $value; ";
}
echo "<BR>";
//使用第二种方法对数组进行遍历
foreach ($arr as $key => $value) {
echo "Key: $key; Value: $value; ";
}
?>
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<?php
//定义数组
$array = array("ar1" => array(5=>100, 3=>120, 4=>30),
"ar2" => array(4=>"three", 9=>"four", 1=>"five"));
//对数组进行遍历
foreach ($array as $v1)
{
foreach ($v1 as $v2)
{
print "$v2/n";
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/zhuzhao/archive/2009/03/08/3969003.aspx
<?php
//定义数组
$array = array("ar1" => array(5=>100, 3=>120, 4=>30),
"ar2" => array(4=>"three", 9=>"four", 1=>"five"));
//对数组进行遍历
foreach ($array as $key=>$value)
{
echo "key == ".$key." : ";
foreach ($value as $k2 => $v2)
{
print "$k2 => $v2 ;";
}
echo "<br>";
}
?>
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