Underscore\Mutator\FlattenMutator

Complexity

Total Complexity

3

Size/Duplication

Total Lines	19
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	4
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	10	3

<?php

namespace Underscore\Mutator;

use Underscore\Collection;
use Underscore\Mutator;

class FlattenMutator extends Mutator
{
    /**
     * Performs shallow flatten operation on collection (unwraps first level of array)
     *
     * @param Collection $collection
     * @return Collection
     */
    public function __invoke($collection)
    {
        $newCollection = [];

        foreach ($collection as $value) {
            $newCollection = array_merge($newCollection, is_array($value) ? $value : [$value]);
        }

        return $this->copyCollectionWith($collection, $newCollection);
    }
}