8-41.php
来自「php 和 ajax 开发的一些资料」· PHP 代码 · 共 41 行
PHP
41 行
<?php
echo "<html>"; //输出标准HTML内容
echo "<head>";
echo "<title>";
echo "移动数组指针";
echo "</title>";
echo "</head>";
echo "<body>";
$city[0]="北京"; //定义数组
$city[1]="上海";
$city[2]="天津";
$city[3]="广州";
$city[4]="深圳";
$city[5]="郑州";
echo "\$city数组内容为：";
echo "<p>";
print_r($city); //输出数组内容
echo "<p>";
echo "当前指针指向元素为：";
echo current($city); //输出当前指向元素
echo "<p>";
echo "指针后移一位指向元素为：";
next($city); //指针后移一位
echo current($city); //输出当前元素
echo "<p>";
echo "指针移向尾部指向元素为：";
end($city); //移动的尾部
echo current($city); //输出当前元素
echo "<p>";
echo "当前指针指向上一个元素为：";
prev($city); //指针前移一位
echo current($city); //输出当前元素
echo "<p>";
echo "指针移向头部指向元素为：";
reset($city); //移动的头部
echo current($city);
echo "</body>";
echo "</html>";
?>
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