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NoRewindIterator::valid

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

NoRewindIterator::valid — Validates the iterator

说明

public NoRewindIterator::valid(): bool

Checks whether the iterator is valid.

警告

本函数还未编写文档，仅有参数列表。

参数

此函数没有参数。

返回值

成功时返回 true， 或者在失败时返回 false。

参见