php教程

php手册

AppendIterator::valid

(PHP 5 >= 5.1.0, PHP 7)

AppendIterator::valid — Checks validity of the current element

说明

public AppendIterator::valid ( void ) : bool

Checks validity of the current element.

参数

此函数没有参数。

返回值

Returns TRUE if the current iteration is valid, FALSE otherwise.

参见

AppendIterator::current() - Gets the current value
AppendIterator::key() - Gets the current key
AppendIterator::next() - Moves to the next element
AppendIterator::rewind() - Rewinds the Iterator

User Contributed Notes

There are no user contributed notes for this page.

CopyRight © 2008-2022 verySource.Com All Rights reserved.　京ICP备17048824号-1　京公网安备：11010502034788