SplObjectStorage::rewind

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

SplObjectStorage::rewind — Rewind 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

SplObjectStorage::next() - Move to the next entry