query("SHOW COLUMNS FROM opd_master"); $cols = []; while ($row = $res->fetch_assoc()) { $cols[] = $row['Field']; } echo implode(', ', $cols) . "\n---\n"; $res2 = $db->query("SELECT opd_id, opd_code, p_id, P_name, opd_book_date, running_opd, running_opd_id, no_visit FROM opd_master WHERE p_id = 11 ORDER BY opd_id DESC LIMIT 5"); while ($row = $res2->fetch_assoc()) { print_r($row); } $db->close();