IteratorIterator::valid

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

IteratorIterator::validChecks if the current element is valid

说明

public IteratorIterator::valid(): bool

Checks whether the current element is valid.

参数

此函数没有参数。

返回值

Returns true if the current element is valid, otherwise false

参见