Variation/AbstractVariation.php
public function current()
    {
        $result = [];

        if (!$this->isRoot()) {
            $result = [
                $this->getName() => $this->getCurrent(),
            ];
        }
        $nested = $this->getNested();

        foreach ($nested as $variation) {
            $result = array_merge($result, $variation->current());
        }

        return $result;
    }
public function current()
    {
        $result = [];

        if (!$this->isRoot()) {
            $result = [
                $this->getName() => $this->getCurrent(),
            ];
        }
        $nested = $this->getNested();

        foreach ($nested as $variation) {
            $result = array_merge($result, $variation->current());
        }

        return $result;
    }
{@inheritdoc}