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<?php $foo = new class {}; $foo->destructListener = new class { public function __destruct() {echo "bye";} public function __set(string $name, $value) { throw new \Exception; } }; unset($foo);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property class@anonymous::$destructListener is deprecated in /in/KT1TX on line 5 bye

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