看 Laravel 源码，参考了一下它的 View 组件，发现这个写法 &__get，求问是什么意思呢
/**
* Get a piece of data from the view.
*
* @param string $key
* @return mixed
*/
public function &__get($key)
{
return $this->data[$key];
}
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fcten Sep 26, 2018
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