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<?php
declare(strict_types=1);
namespace Version;
use Countable;
use IteratorAggregate;
use ArrayIterator;
use Traversable;
use Version\Constraint\ConstraintInterface;
/**
* @author Nikola Posa <[email protected]>
*/
class VersionsCollection implements Countable, IteratorAggregate
{
public const SORT_ASC = 'ASC';
public const SORT_DESC = 'DESC';
* @var Version[]
protected $versions;
public function __construct(Version $version, Version ...$versions)
$this->versions = array_merge([$version], $versions);
}
public function count() : int
return count($this->versions);
public function getIterator() : Traversable
return new ArrayIterator($this->versions);
public function sort(string $direction = self::SORT_ASC) : void
usort($this->versions, function (Version $a, Version $b) use ($direction) {
$result = $a->compareTo($b);
if ($direction === self::SORT_DESC) {
$result *= -1;
return $result;
});
public function matching(ConstraintInterface $constraint) : VersionsCollection
return new static(...array_filter(
$this->versions,
function (Version $version) use ($constraint) {
return $version->matches($constraint);
));
nikolaposa /
version
