PHP 8.4.0 RC4 available for testing

ArrayIterator::valid

(PHP 5, PHP 7, PHP 8)

ArrayIterator::validCheck whether array contains more entries

Açıklama

public ArrayIterator::valid(): bool

Checks if the array contains any more entries.

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni yoktur.

Dönen Değerler

Returns true if the iterator is valid, otherwise false

Örnekler

Örnek 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());
?>

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top