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    PHP Manual
    PHP Manual»Iterators»EmptyIterator

    The EmptyIterator class

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

    The EmptyIterator class for an empty iterator.

    class EmptyIterator implements Iterator {
    /* 方法 */
    public function current(): never
    public function key(): never
    public function next(): void
    public function rewind(): void
    public function valid(): false
    }

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