heryvandoro

Untitled

Jun 16th, 2016
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  1. <?php
  2. session_start();
  3. include "koneksi.php";
  4. $sid = session_id();
  5. $id=$_GET['id'];
  6. //di cek dulu apakah barang yang di beli sudah ada di tabel keranjang
  7. $sql = mysql_query("SELECT id_produk FROM keranjang WHERE id_produk='$id' AND id_session='$sid'");
  8. $ketemu=mysql_num_rows($sql);
  9. if ($ketemu==0){
  10. // kalau barang belum ada, maka di jalankan perintah insert
  11. mysql_query("INSERT INTO keranjang (id_produk, jumlah, id_session)
  12. VALUES ('$_GET[id]', 1, '$sid')");
  13. } else {
  14. // kalau barang ada, maka di jalankan perintah update
  15. mysql_query("UPDATE keranjang
  16. SET jumlah = jumlah + 1
  17. WHERE id_session ='$sid' AND id_produk='$_GET[id]'");
  18. }
  19. header('Location:keranjang.php');
  20. ?>
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