Php/docs/splobjectstorage.rewind

• PHP Manual
• SplObjectStorage
• Rewind the iterator to the first storage element

SplObjectStorage::rewind

(PHP 5 >= 5.1.0, PHP 7)

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。

范例

Example #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();}?>

以上例程的输出类似于：

int(1)
int(0)

参见

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