ArrayIterator::valid

(PHP 5)

ArrayIterator::valid — Check whether array contains more entries

Description

bool ArrayIterator::valid ( void )

This function checks if the array contains any more entries.

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());
?>


	PHP5中文手册 ArrayIterator::seek ArrayObject::append spl PHP Manual ArrayIterator::valid (PHP 5) ArrayIterator::valid — Check whether array contains more entries Description bool ArrayIterator::valid ( void ) This function checks if the array contains any more entries. 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()); ?>` ArrayIterator::seek ArrayObject::append spl PHP Manual