/usr/share/php/Icinga/Util/EnumeratingFilterIterator.php is in php-icinga 2.1.0-1ubuntu1.
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Util;
use FilterIterator;
/**
* Class EnumeratingFilterIterator
*
* FilterIterator with continuous numeric key (index)
*/
abstract class EnumeratingFilterIterator extends FilterIterator
{
/**
* @var int
*/
private $index;
/**
* @return void
*/
public function rewind()
{
parent::rewind();
$this->index = 0;
}
/**
* @return int
*/
public function key()
{
return $this->index++;
}
}
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