topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

talk show tell print

basic-ajax-03-managecart.php / php



  <?php
  session_register('Cart');
  header('Content-Type: text/xml');
  ?>
  <?php
          newitem = _GET["book"];
          action = _GET["action"];
          if (_SESSION["Cart"] != "")
          {
              MDA = _SESSION["Cart"];
              if (action == "Add")
              {
                  if (MDA[newitem] != "")
                  {  
                      value = MDA[newitem] + 1;
                      MDA[newitem] = value;
                      _SESSION["Cart"] = MDA; 
                      ECHO (toXml(MDA));    
                  }
                  else
                  {
                      MDA[newitem] = "";
                      _SESSION["Cart"] = MDA;
                      ECHO (toXml(MDA));
                  }
              }
              else
              {
                  MDA= "";
                  _SESSION["Cart"] = "";   
                  ECHO (toXml(MDA));
              }
          }
          else
          {
              MDA[newitem] = "1";
              _SESSION["Cart"] = MDA;
              ECHO (toXml(MDA));
          }
                                                                          
      
      function toXml(MDA)
      {
          doc = new DomDocument('1.0');
          cart = doc->createElement('cart');
          cart = doc->appendChild(cart);
          
          foreach (MDA as Item => ItemName)
          {
          
          book = doc->createElement('book');
          book = cart->appendChild(book);
  
          title = doc->createElement('title'); 
          title = book->appendChild(title);   
          value = doc->createTextNode(Item);
          value = title->appendChild(value);
  
          quantity = doc->createElement('quantity');
          quantity = book->appendChild(quantity);
          value2 = doc->createTextNode(ItemName);
          value2 = quantity->appendChild(value2);
       
        }
  
          strXml = doc->saveXML(); 
          return strXml;
      }
  ?>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.