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<?php
namespace Underscore\Mutator;
use Underscore\Collection;
use Underscore\Mutator;
class UniqMutator extends Mutator
{
/**
* Removes duplicate items from the collection.
*
* @param Collection $collection
* @return Collection
*/
public function __invoke($collection)
$seen = [];
foreach ($collection as $k => $v) {
if (!in_array($v, $seen, true)) {
$seen[$k] = $v;
}
return $this->copyCollectionWith($collection, $seen);
Im0rtality /
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