ArrayIterator::valid

(PHP 5, PHP 7, PHP 8)

ArrayIterator::valid — Check 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());
?>

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