(PECL weakref >= 0.2.0)
WeakMap::offsetGet — Returns the value pointed to by a certain object
public WeakMap::offsetGet ( object $object ) : mixed
Returns the value pointed to by a certain object.
object
Some object contained as key in the map.
Returns the value associated to the object passed as argument, null otherwise.
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https://www.php.net/manual/en/weakmap.offsetget.php