prepare("SELECT id, username FROM app_users WHERE BINARY username = ?"); $queryid->bind_param("s", $username); $queryid->execute(); $queryres = $queryid->get_result()->fetch_assoc(); $userID = $queryres['id']; // Remove all the contacts of the current user from the 'contacts' table $querycont = $mysqli->prepare("DELETE FROM contacts WHERE user_id = ?"); $querycont->bind_param("i", $userID); if ($querycont->execute()) { $messagedel = "success"; } else { $messagedel = "failure"; } // Reindex the 'contacts' table $reindexset = $mysqli->prepare("SET @resetrec = 0"); $reindexup = $mysqli->prepare("UPDATE contacts SET id = @resetrec := @resetrec + 1"); $reindexalt = $mysqli->prepare("ALTER TABLE contacts auto_increment = 1"); if ($reindexset->execute() && $reindexup->execute() && $reindexalt->execute()) { $reindexmsg = "success"; } else { $reindexmsg = "failure"; } $delresult = array('removeresult' => $messagedel, 'reindex' => $reindexmsg); echo json_encode($delresult); } else { header("Location: ../login.php"); } ?>