ApiPlatform\Core\Bridge\Symfony\Routing\IriConverter::generateIdentifiersUrl PHP Метод

    private function generateIdentifiersUrl(array $identifiers) : array
    {
        if (1 === count($identifiers)) {
            return [rawurlencode(array_values($identifiers)[0])];
        }
        foreach ($identifiers as $name => $value) {
            $identifiers[$name] = sprintf('%s=%s', $name, $value);
        }
        return $identifiers;
    }