Check whether the current element is valid

FilterIterator::valid

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

FilterIterator::validCheck whether the current element is valid

說明

public FilterIterator::valid(): bool
警告

本函式還未編寫文件,僅有參數列表。

Checks whether the current element is valid.

參數

此函式沒有參數。

返回值

true if the current element is valid, otherwise false

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