<?php
$arrayobject = new ArrayObject();
$arrayobject[] = 'zero';
$arrayobject[] = 'one';
$iterator = $arrayobject->getIterator();
while($iterator->valid()) {
echo $iterator->key() . ' => ' . $iterator->current() . "\n";
$iterator->next();
}
?>
The above example will output:
0 => zero
1 => one