Collections\TypeValidator::determineScalar PHP Метод

    private function determineScalar($type)
    {
        $synonyms = ["int" => "integer", "float" => "double", "bool" => "boolean"];
        if (array_key_exists($type, $synonyms)) {
            $type = $synonyms[$type];
        }
        $types = ["string", "integer", "double", "boolean"];
        return in_array($type, $types) ? $type : null;
    }