AHJ\ApprovalTests\Combinations::getAllCombinations()

Complexity

Conditions	3
Paths	3

Size

Total Lines	21
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	3

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function getAllCombinations(array $arguments, array $currentCombination = []): array
    {
        $combinations = [];
        $argumentsTail = $arguments;
        $key = key($argumentsTail);
        unset($argumentsTail[$key]);

        if (0 === count($arguments)) {
            return [$currentCombination];
        }

        foreach (current($arguments) as $element) {
            $newCombination = $currentCombination;
            array_push($newCombination, $element);
            $combinations = $this->extend(
                $this->getAllCombinations($argumentsTail, $newCombination),
                $combinations
            );
        }

        return $combinations;
    }