WeakMap::valid
(PECL weakref >= 0.2.0)
WeakMap::valid — Returns whether the iterator is still on a valid map element
Opis
public WeakMap::valid
( void
) : bool
Returns whether the iterator is still on a valid map element.
Parametry
Ta funkcja nie posiada parametrów.
Zwracane wartości
Returns TRUE if the iterator is on a valid element that can be
accessed, FALSE otherwise.
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