<?php class Parent extends Observer { function createChild() { $this->callme(); // this is OK return new Child (function() { $this->callme(); }); } } class Child { private $gatewayFunction; public function __constructor (Closure $gatewayFunction) { $this->gatewayFunction = $gatewayFunction; } public function __destroy() { $this->gatewayFunction->__invoke(); } }
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