Ouzo\Utilities\DynamicProxy::getParameterDeclaration PHP Метод

    private static function getParameterDeclaration(ReflectionFunctionAbstract $method)
    {
        return Joiner::on(', ')->join(Arrays::map($method->getParameters(), function (ReflectionParameter $param) {
            $result = '';
            if ($param->getClass()) {
                $result .= $param->getClass()->getName() . ' ';
            }
            if ($param->isArray()) {
                $result .= 'array ';
            }
            if ($param->isPassedByReference()) {
                $result .= '&';
            }
            $result .= '$' . $param->name;
            if ($param->isDefaultValueAvailable()) {
                $result .= " = null";
                // methodHandler gets only the passed arguments so anything would work here
            }
            return $result;
        }));
    }