WeakMap::offsetExists

(PECL weakref >= 0.2.0)

WeakMap::offsetExistsChecks whether a certain object is in the map

说锟斤拷

public WeakMap::offsetExists ( object $object ) : bool

Checks whether the passed object is referenced in the map.

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object

Object to check for.

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Returns TRUE if the object is contained in the map, FALSE otherwise.