src/Viserio/Component/Validation/Validator.php
protected function parseData(array $data): array
    {
        $newData = [];

        foreach ($data as $key => $value) {
            if (\is_array($value)) {
                return $this->parseData($value);
            }
            $newData[$key] = $value;
        }

        return $newData;
    }
protected function parseData(array $data): array
    {
        $newData = [];

        foreach ($data as $key => $value) {
            if (\is_array($value)) {
                return $this->parseData($value);
            }
            $newData[$key] = $value;
        }

        return $newData;
    }
Parse the data array.

@param array $data

@return array