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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\TextUI\XmlConfiguration;
use function count;
use function iterator_count;
use Countable;
use Iterator;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*
* @template-implements Iterator<int, Constant>
*/
final class ConstantCollectionIterator implements Countable, Iterator
{
/**
* @var Constant[]
*/
private $constants;
/**
* @var int
*/
private $position;
public function __construct(ConstantCollection $constants)
{
$this->constants = $constants->asArray();
}
public function count(): int
{
return iterator_count($this);
}
public function rewind(): void
{
$this->position = 0;
}
public function valid(): bool
{
return $this->position < count($this->constants);
}
public function key(): int
{
return $this->position;
}
public function current(): Constant
{
return $this->constants[$this->position];
}
public function next(): void
{
$this->position++;
}
}
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