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<?php declare(strict_types=1);
namespace Stratadox\EntityState\Internal;
use function array_merge as these;
use function assert;
use function is_iterable;
use Stratadox\EntityState\PropertyState;
final class CollectionExtractor implements Extractor
{
private $next;
private function __construct(Extractor $next)
$this->next = $next;
}
public static function withAlternative(Extractor $next): Extractor
return new self($next);
public function extract(
ExtractionRequest $request,
Extractor $base = null
): array {
if (!is_iterable($request->value())) {
return $this->next->extract($request, $base);
assert($base !== null);
$properties = [];
$count = 0;
foreach ($request->value() as $key => $value) {
$properties[] = $base->extract($request->forCollectionItem(
$request->value(),
(string) $key,
$value
));
$count++;
return these(
[PropertyState::with((string) $request->nameForCounting(), $count)],
...$properties
);
Stratadox /
EntityState
