PHP 7.1.24 Released

ArrayIterator::rewind

(PHP 5, PHP 7)

ArrayIterator::rewindRewind array back to the start

说明

public void ArrayIterator::rewind ( void )

This rewinds the iterator to the beginning.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #1 ArrayIterator::rewind() example

<?php
$arrayobject 
= new ArrayObject();

$arrayobject[] = 'zero';
$arrayobject[] = 'one';
$arrayobject[] = 'two';

$iterator $arrayobject->getIterator();

$iterator->next();
echo 
$iterator->key(); //1

$iterator->rewind(); //rewinding to the begining
echo $iterator->key(); //0
?>

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