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<?php
namespace WS\Utils\Collections\Functions\Group\Aggregator;
use WS\Utils\Collections\Functions\ObjectFunctions;
use WS\Utils\Collections\HashSet;
class AddToSet
{
private $sourceKey;
public function __construct($sourceKey)
$this->sourceKey = $sourceKey;
}
public function __invoke(iterable $collection)
$set = new HashSet();
foreach ($collection as $element) {
$set->add(ObjectFunctions::getPropertyValue($element, $this->sourceKey));
return $set->toArray();
worksolutions /
php-collections
