SplObjectStorage::rewind()

(PHP 5 >= 5.1.0, PHP 7)

Rewind the iterator to the first storage element

说明

publicSplObjectStorage::rewind(void) : 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

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