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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 IteratorAggregate;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*
* @psalm-immutable
*
* @template-implements IteratorAggregate<int, Group>
*/
final class GroupCollection implements IteratorAggregate
{
/**
* @var Group[]
*/
private $groups;
/**
* @param Group[] $groups
*/
public static function fromArray(array $groups): self
{
return new self(...$groups);
}
private function __construct(Group ...$groups)
{
$this->groups = $groups;
}
/**
* @return Group[]
*/
public function asArray(): array
{
return $this->groups;
}
/**
* @return string[]
*/
public function asArrayOfStrings(): array
{
$result = [];
foreach ($this->groups as $group) {
$result[] = $group->name();
}
return $result;
}
public function isEmpty(): bool
{
return empty($this->groups);
}
public function getIterator(): GroupCollectionIterator
{
return new GroupCollectionIterator($this);
}
}
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