php教程

MultipleIterator::valid

(PHP 5 >= 5.3.0, PHP 7)

MultipleIterator::validChecks the validity of sub iterators

说明

public MultipleIterator::valid ( void ) : bool

Checks the validity of sub iterators.

Warning

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

Returns TRUE if one or all sub iterators are valid depending on flags, otherwise FALSE

参见

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