Online PHP editor | refs for tnh2R

<?php class Foo { public $foo; public function __wakeup() { echo 'In foo', PHP_EOL, PHP_EOL; $this->foo = null; } public function __destruct() { echo 'Destruct foo', PHP_EOL, PHP_EOL; } } class Bar { public $bar; public function __wakeup() { echo 'In bar', PHP_EOL, PHP_EOL; $this->bar = null; } public function __destruct() { echo 'Destruct bar', PHP_EOL, PHP_EOL; throw new \Exception('x'); } } $f = new Foo; $b = new Bar; $f->foo = $b; $b->bar = $f; try { var_dump(unserialize(serialize([$f]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL; try { var_dump(unserialize(serialize([$f, $b]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL; try { var_dump(unserialize(serialize([$b, $f]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL;