PHP 手冊
前一頁 |  | 下一頁

# ArrayIterator::valid

(no version information, might be only in CVS)

ArrayIterator::valid -- Check whether array contains more entries

## Description

bool ArrayIterator::valid ( void )

This function checks if the array contains any more entries.

範例 1. ArrayIterator::valid() example

`<?php $array = array('1' => 'one'); $arrayobject = new ArrayObject($array); $iterator = $arrayobject->getIterator(); var_dump($iterator->valid()); //bool(true) $iterator->next(); // advance to the next item //bool(false) because there is only one array element var_dump($iterator->valid()); ?>`

前一頁 | 內容 | 下一頁
ArrayIterator::seek | 上一層 | ArrayObject::append