PHP 7.1.18 Released

SplObjectStorage::rewind

(PHP 5 >= 5.1.0, PHP 7)

SplObjectStorage::rewindRewind the iterator to the first storage element

说明

public void 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

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