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    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

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