ArrayIterator::valid

(PHP 5, PHP 7)

ArrayIterator::valid — Check whether array contains more entries

Descrierea

public ArrayIterator::valid ( void ) : bool

Checks if the array contains any more entries.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns TRUE if the iterator is valid, otherwise FALSE

Exemple

Example #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());
?>