(PHP 5 >= 5.1.0)
SplObjectStorage::rewind — Rewind the iterator to the first storage element
Rewind the iterator to the first storage element.
This function has no parameters.
No value is returned.
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();
}
?>
The above example will output something similar to:
int(1) int(0)