PHP 8.1.0 RC 2 available for testing

The OuterIterator interface

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

简介

Classes implementing OuterIterator can be used to iterate over iterators.

接口摘要

interface OuterIterator extends Iterator {
/* 方法 */
/* 继承的方法 */
abstract public Iterator::current(): mixed
abstract public Iterator::key(): scalar
abstract public Iterator::next(): void
abstract public Iterator::rewind(): void
abstract public Iterator::valid(): bool
}

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