WeakMap::valid
(PECL weakref >= 0.2.0)
WeakMap::valid — Returns whether the iterator is still on a valid map element
설명
public bool WeakMap::valid
( void
)
Returns whether the iterator is still on a valid map element.
인수
이 함수는 인수가 없습니다.
반환값
Returns TRUE if the iterator is on a valid element that can be
accessed, FALSE otherwise.
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