PHP 8.4.0 Alpha 2 available for testing

SplObjectStorage::rewind

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplObjectStorage::rewindRewind the iterator to the first storage element

说明

public SplObjectStorage::rewind(): void

Rewind the iterator to the first storage element.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 SplObjectStorage::rewind() example

<?php
$s
= new SplObjectStorage();

$o1 = new stdClass;
$o2 = new stdClass;

$s->attach($o1, "d1");
$s->attach($o2, "d2");

$s->rewind();
while(
$s->valid()) {
$index = $s->key();
$object = $s->current(); // similar to current($s)
$data = $s->getInfo();

var_dump($object);
var_dump($data);
$s->next();
}
?>

以上示例的输出类似于:

int(1)
int(0)

参见

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