WeakMap::count
(PECL weakref >= 0.2.0)
WeakMap::count — Counts the number of live entries in the map
설명
public int WeakMap::count
( void
)
Counts the number of live entries in the map.
인수
이 함수는 인수가 없습니다.
반환값
Returns the number of live entries in the map.
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