= 1) { $content .= $_POST['item_desciption_' . $index] . "," . $_POST['item_quantity_' . $index] . "," . $_POST['item_amount_' . $index] . "," . $_POST['item_discount_' . $index] . "," . $_POST['item_total_' . $index] . ";"; } $index++; } $record_id = $db->insert("INSERT INTO invoices (`invoice_no`,`invoices_name`,`invoice_content`,`quotes_id`,`total`,`clients_id`,`status`,`date_created`,`date_sent`,`date_due`,`description`) VALUES ( {$_POST['invoice_no']}, '{$_POST['invoice_no']}', '$content', {$_POST['quote_no']}, {$_POST['total']}, {$_POST['client_id']}, '{$_POST['status']}', '{$_POST['date']}', '', '{$_POST['exp_date']}', '{$_POST['description']}' )"); $is_ajax = !empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest'; if ($is_ajax) { ob_end_clean(); // discard all HTML output from WebApp.class.php header('Content-Type: application/json'); if ($record_id > 0) { echo json_encode(['success' => true, 'record_id' => $record_id]); } else { http_response_code(500); echo json_encode(['success' => false, 'error' => 'Could not save invoice. Please try again.']); } } else { // Normal SAVE button — flush the buffered HTML and redirect as before ob_end_flush(); if ($record_id > 0) { echo ""; } else { echo "ENCOUNTERED AN ERROR PLEASE TRY AGAIN"; } }