<?php
/** @file infiniteiterator.inc
* @ingroup SPL
* @brief class InfiniteIterator
* @author Marcus Boerger
* @date 2003 - 2009
*
* SPL - Standard PHP Library
*/
/** @ingroup SPL
* @brief An infinite Iterator
* @author Marcus Boerger
* @version 1.1
* @since PHP 5.1
*
* This Iterator takes another Iterator and infinitvely iterates it by
* rewinding it when its end is reached.
*
* \note Even an InfiniteIterator stops if its inner Iterator is empty.
*
\verbatim
$it = new ArrayIterator(array(1,2,3));
$infinite = new InfiniteIterator($it);
$limit = new LimitIterator($infinite, 0, 5);
foreach($limit as $val=>$key)
{
echo "$val=>$key\n";
}
\endverbatim
*/
class InfiniteIterator extends IteratorIterator
{
/** Move the inner Iterator forward to its next element or rewind it.
* @return void
*/
function next()
{
$this->getInnerIterator()->next();
if (!$this->getInnerIterator()->valid())
{
$this->getInnerIterator()->rewind();
}
}
}
?>
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