Online PHP editor | output for GtZv5

<?php class SomeException extends Exception { } function getDomain() { return 'example.com'; } function getSubDomains() { return array('www.example.com'); } function register($domainKeys, $subdomains) { $domains = (array) getDomain(); if ($subdomains == null) { $domains = array_merge($domains, getSubdomains()); } else { $domains = array_merge($domains, $subdomains); } $san = implode(",", array_map(function ($dns) { return "DNS:" . $dns; }, $domains)); throw new SomeException("yo"); return $domains; } function register2($domainKeys, $subdomains) { try { register($domainKeys, $subdomains); } catch(Exception $e) { trow new Exception($e->getMessage(), $e->getCode(), $e); } } var_dump(register2(null, (array)$nonset));