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update : 2015.11.03
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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. 인수이 함수는 인수가 없습니다. 반환값Returns the number of live entries in the map. |