Online PHP editor | refs for VEE4K

<?php $domainName = '...cloud.daanscho.one....'; // Strip periods, apply punycode encoding, and convert to lowercase $domainName = strtolower( trim($domainName, '.') ); var_dump($domainName); $domainName = '...cloud.daanscho.one....'; // Strip periods, apply punycode encoding, and convert to lowercase $domainName = strtolower( preg_replace('/^[.]*(?U)(.*)[.]*$/u', '\\1', $domainName) ); var_dump($domainName);