ArrayIterator
PHP 手册

ArrayIterator::rewind

(PHP 5 >= 5.1.0)

ArrayIterator::rewindRewind array back to the start

说明

void ArrayIterator::rewind ( void )

This rewinds the iterator to the beginning.

参数

This function has no parameters.

返回值

无返回值。

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
?>


ArrayIterator
PHP 手册