Enjoys\Dotenv\Variables::resolve()

Complexity

Conditions	5
Paths	3

Size

Total Lines	32
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	5

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function resolve(string $key, ?string $value): ?string
    {
        if ($value === null) {
            return null;
        }
        $result = preg_replace_callback(
            '/(\${(?<variable>.+?)(?<default_value>:[-=?][^}]*)?})/',
            function (array $matches): string {
                $env = getenv($matches['variable']) ?: null;

                /** @var string|bool|int|float|null $val */
                $val =
                    $env ??
                    $this->dotenv->getEnvCollection()->get($matches['variable']) ??
                    $this->dotenv->getEnvRawArray()[$matches['variable']] ??
                    ($matches['default_value'] ? $this->resolveDefaultValue(
                        $matches['default_value'],
                        $matches['variable']
                    ) : null) ??
                    '';

                return Helper::scalarValueToString($val);
            },
            $value,
            flags: PREG_UNMATCHED_AS_NULL
        );

        if (preg_match('/(\${(.+?)})/', $result)) {
            return $this->resolve($key, $result);
        }

        return $result;
    }