$namePtn),)?(?$ipPtn),(?:(?$ipPtn)|$modesPtn)(?:,(?$ipPtn)(?:,$ipPtn)?)?(?:,(?$timePtn|infinite))?$commentPtn$/", $line, $range, PREG_UNMATCHED_AS_NULL )) { if (!isset($range["tag"])) $range["tag"] = "default"; if (!isset($ranges[$range["tag"]])) $ranges[$range["tag"]] = []; $ranges[$range["tag"]]["dhcp-range"] = [ "start-addr" => $range["start_addr"], "end-addr" => $range["end_addr"], "netmask" => $range["netmask"], "lease_time" => $range["lease_time"], ]; } } }