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The EmptyIterator class

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

简介

The EmptyIterator class for an empty iterator.

类摘要

class EmptyIterator implements Iterator {

/* 方法 */

public current(): never

public key(): never

public next(): void

public rewind(): void

public valid(): false

}

目录

EmptyIterator::current — The current() method
EmptyIterator::key — The key() method
EmptyIterator::next — The next() method
EmptyIterator::rewind — The rewind() method
EmptyIterator::valid — Checks whether the current element is valid

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