WeakMap::offsetExists
(PECL weakref >= 0.2.0)
WeakMap::offsetExists — Checks whether a certain object is in the map
説明
public bool WeakMap::offsetExists
( object
$object
)Checks whether the passed object is referenced in the map.
パラメータ
-
object -
Object to check for.
返り値
Returns TRUE if the object is contained in the map, FALSE otherwise.