<?php
// Put the item counter to 1
$ses_basket_items=1;
// Fill the 4 arrays at position 0 with the values from the href link
// shown in the 'adding the link to your page' part
$ses_basket_name[0]=$basket;
$ses_basket_amount[0]=1;
$ses_basket_price[0]=$price;
$ses_basket_id[0]=$id;
// register the new basket in the session
session_register("ses_basket_items");
session_register("ses_basket_name");
session_register("ses_basket_amount");
session_register("ses_basket_price");
session_register("ses_basket_id");
?>
<?php
$basket_position_counter=0; //Position in basket
$double=0; //Flag for double entries set to NO
if ($ses_basket_items>0){
// If the basket contains items check for double entries
foreach ($ses_basket_name as $basket_item){
// Run through the array that contains the name and
// check if it matches the item from the href.
if ($basket_item==$basket){
// Set Flag to 1 if the item is already in the basket.
$double=1;
// Remember the position of the item to be updated
$basket_position=$basket_position_counter;
}
$basket_position_counter++; //Increment actual Position in basket
}
}
// Update the basket
if ($double==1){
// Update amount and price at position $basket_position
// if the item is already in your basket
$oldamount=$ses_basket_amount[$basket_position];
$ses_basket_amount[$basket_position]++;
$amount=$ses_basket_amount[$basket_position];
$oldprice=$ses_basket_price[$basket_position];
//update the price
$newprice=($oldprice/$oldamount)*$amount;
$ses_basket_price[$basket_position]=$newprice;
}else{
// Add new item at end of array
// if it is not in your basket
$ses_basket_name[]=$basket;
$ses_basket_amount[]=1;
$ses_basket_price[]=$price;
$ses_basket_id[]=$id;
$ses_basket_items++;
}
?>
