(PHP 7 >= 7.4.0)
WeakReference::get — Get a weakly referenced Object
public WeakReference::get ( ) : object|null
Gets a weakly referenced object. If the object has already been destroyed, null is returned.
This function has no parameters.
Returns the referenced object, or null if the object has been destroyed.
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https://www.php.net/manual/en/weakreference.get.php