WeakReference::__construct
(PHP 7 >= 7.4.0, PHP 8)
WeakReference::__construct — Constructor that disallows instantiation
说明
public WeakReference::__construct
(
)
This method exists only to disallow instantiation of the WeakReference class. Weak references are to be instantiated with the factory method WeakReference::create().
参数
此函数没有参数。
参见
- WeakReference::create() - Create a new weak reference