Move to the next entry

# SplObjectStorage::next

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplObjectStorage::next — Move to the next entry

### 说明

public function SplObjectStorage::next(): void

Moves the iterator to the next object in the storage.

### 参数

此函数没有参数。

### 返回值

没有返回值。

### 示例

示例 #1 SplObjectStorage::next() 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)

        var_dump($index);
        var_dump($object);
        $s->next();
    }
    ?>

以上示例的输出类似于：

    int(0)
    object(stdClass)#2 (0) {
    }
    int(1)
    object(stdClass)#3 (0) {
    }

### 参见

- SPLObjectStorage::rewind() - Rewind the iterator to the first storage element

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