<?php session_start(); include 'koneksi.php'; $user = $_POST['id_user']; $buku = $_POST['isbn']; $total = $_POST['total']; $tambah = mysqli_query($koneksi, "INSERT INTO t_pemesanan VALUES('$buku', '$user', '$total', NOW())"); if($tambah) { echo "<script>alert('Data pesanan berhasil disimpan'); window.location = 'savebook.php'</script>"; } else { echo "<script>alert('Gagal menyimpan pesanan !'); window.location = 'checkout.php'</script>"; } ?>