Underscore\Mutator\UniqMutator

Complexity

Total Complexity

3

Size/Duplication

Total Lines	20
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	11	3

<?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);
    }
}