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PHP next() 函数

PHP Array Reference完整的 PHP Array 参考手册

实例

输出数组中的当前元素和下一个元素的值:

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");

echo current($people) . "<br>";
echo next($people);
?>

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定义和用法

next() 函数将内部指针指向数组中的下一个元素,并输出。

相关的方法:


语法

next(array)

参数 描述
array 必需。规定要使用的数组。

技术细节

返回值: 如果成功则返回数组中下一个元素的值,如果没有更多的数组元素则返回 FALSE。
PHP 版本: 4+


更多实例

实例 1

所有相关方法的演示:

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");

echo current($people) . "<br>"; // The current element is Peter
echo next($people) . "<br>"; // The next element of Peter is Joe
echo current($people) . "<br>"; // Now the current element is Joe
echo prev($people) . "<br>"; // The previous element of Joe is Peter
echo end($people) . "<br>"; // The last element is Cleveland
echo prev($people) . "<br>"; // The previous element of Cleveland is Glenn
echo current($people) . "<br>"; // Now the current element is Glenn
echo reset($people) . "<br>"; // Moves the internal pointer to the first element of the array, which is Peter
echo next($people) . "<br>"; // The next element of Peter is Joe

print_r (each($people)); // Returns the key and value of the current element (now Joe), and moves the internal pointer forward
?>

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PHP Array Reference完整的 PHP Array 参考手册
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