PHP. Руководство по PHP. 2005

ArrayIterator::valid

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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.

Пример 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());
?>

ArrayIterator::seek

ArrayObject::append

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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