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.
Пример 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"
?> | |
Смотрите также current(), each(), next(), and prev().