WeakMap::key

(PECL weakref >= 0.2.0)

WeakMap::key — Returns the current key under iteration

说明

public WeakMap::key ( void ) : object

Returns the object serving as key in the map, at the current iterating position.

参数

此函数没有参数。

返回值

The object key currently being iterated.

User Contributed Notes

There are no user contributed notes for this page.