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<?php class MyParent extends Observer { function createChild() { $this->callme(); // this is OK return new MyChild (function() { $this->callme(); }); } } class MyChild { private $gatewayFunction; public function __constructor (Closure $gatewayFunction) { $this->gatewayFunction = $gatewayFunction; } public function __destroy() { $this->gatewayFunction->__invoke(); } } $p = new MyParent(); $c = $p->createChild(); var_dump($c); $c->__destroy();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Class "Observer" not found in /in/kWmBf:3 Stack trace: #0 {main} thrown in /in/kWmBf on line 3
Process exited with code 255.

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