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<?php 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)); return $san; } var_dump(register(null, (array)$nonset));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $nonset in /in/9XfAX on line 22 string(35) "DNS:example.com,DNS:www.example.com"

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