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PHP - Manual: SplFixedArray::rewind - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: SplFixedArray::rewind

2025-06-27

SplFixedArray::rewind

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::rewindRewind iterator back to the start

说明

public SplFixedArray::rewind(): void

Rewinds the iterator to the beginning.

参数

此函数没有参数。

返回值

没有返回值。

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0
kishor10d at gmail dot com
5 years ago
<?php

/**
* Example : rewind();
*/

$arr = new SplFixedArray(5);

$arr[1] = 2;
$arr[4] = "foo";

$a = $arr->key();
var_dump($a);
echo
"<br>";

$arr->next();
$a = $arr->key();
var_dump($a);
echo
"<br>";

$arr->next();
$a = $arr->key();
var_dump($a);
echo
"<br>";

$arr->rewind();
$a = $arr->key();
var_dump($a);
echo
"<br>";
?>

The above example will output:

int(0)
int(1)
int(2)
int(0)

官方地址:https://www.php.net/manual/en/splfixedarray.rewind.php

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