WeakMap::nextWeakMap::offsetExists
(PECL weakref >= 0.2.0)
WeakMap::offsetExists — Checks whether a certain object is in the map
说明
public bool WeakMap::offsetExists
( object
$object
)Checks whether the passed object is referenced in the map.
参数
-
object -
Object to check for.
返回值
Returns TRUE if the object is contained in the map, FALSE otherwise.
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