src/DdvUtil/Laravel/Proxy/Traits/Parameters.php
public function mapParameters($hander)
    {
        foreach ($this->reflectionParameters as $index => $parameter) {
            call_user_func_array($hander, [&$this->parameters[$index], $parameter->getName(), $index, $parameter]);
        }
        return $this;
    }
public function mapParameters($hander)
    {
        foreach ($this->reflectionParameters as $index => $parameter) {
            call_user_func_array($hander, [&$this->parameters[$index], $parameter->getName(), $index, $parameter]);
        }
        return $this;
    }
遍历空参数的反射
@param callable|array|string|Closure $handler
@return $this