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<?php
/**
* @author Igor Pomiluyko <[email protected]>
*/
namespace WS\Utils\Collections\Functions\Group\Aggregator;
use WS\Utils\Collections\Collection;
use WS\Utils\Collections\HashSet;
class AddToSet extends AbstractFieldAggregator implements Aggregator
{
public function __invoke(Collection $collection)
$set = new HashSet();
foreach ($collection as $element) {
$set->add($this->getValue($element));
}
return $set->toArray();
worksolutions /
php-collections
