break; case "SET": if (count($parts) != 3) { print "Invalid input\n"; $loopCondition = false; break; } $simpleDB->setValue($parts[1], $parts[2]); break; case "UNSET": if (count($parts) != 2) { print "Invalid input\n"; $loopCondition = false; break; } $simpleDB->unsetKey($parts[1]); break; case "GET": if (count($parts) != 2) { print "Invalid input\n"; $loopCondition = false; break; } $value = $simpleDB->getValue($parts[1]); if ($value != null) { print $value . "\n"; } else { print "NULL\n"; } break; case "NUMEQUALTO":