PHP 手冊
前一頁 |  | 下一頁

# reset

(PHP 3, PHP 4 , PHP 5)

reset -- Set the internal pointer of an array to its first element

## Description

mixed reset ( array &array )

reset() rewinds array's internal pointer to the first element and returns the value of the first array element, or `FALSE` if the array is empty.

範例 1. reset() example

`<?php $array = array('step one', 'step two', 'step three', 'step four'); // by default, the pointer is on the first element echo current($array) . "<br />\n"; // "step one" // skip two steps next($array); next($array); echo current($array) . "<br />\n"; // "step three" // reset pointer, start again on step one reset($array); echo current($array) . "<br />\n"; // "step one" ?>`

See also current(), each(), next(), and prev().

前一頁 | 內容 | 下一頁
range | 上一層 | rsort