3v4l.org

run code in 300+ PHP versions simultaneously
<?php $exception = new \exception(uniqid()); $reference = & $exception; var_dump(spl_object_hash($reference) === spl_object_hash($exception)); var_dump(spl_object_hash($reference) === spl_object_hash($exception = new \exception(uniqid()))); $exception = spl_object_hash($exception = new \exception(uniqid())); var_dump(spl_object_hash($reference) === spl_object_hash($exception));

preferences:
39.17 ms | 402 KiB | 5 Q