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associated array sort

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  1. wizardplow wizardplow is offline

    Posts: 72
    Joined: Feb 06

    May 28th, 2006 (5/28/2006 9:15pm)

    Hi, I have some arrays, i think the term may be associated arrays or linked arrays, that are linked by index number. For example, I have an array called foodname and an array called foodprice, with foodname[1] corresponding to foodprice[1] and so on. I need to sort these arrays alphabetically by foodname. So when foodname is sorted, the corresponding foodprice value is not lost, it is sorted to the same index position. These values are actually kept as session variables, my session structure is called session.cart, and the arrays are called session.cart.foodname and session.cart.foodprice. I dont know if this changes anything. Can anyone help me with this? Thanks a lot.
  2. stevester214 stevester214 is offline

    United States

    Posts: 3,089
    Joined: Dec 05

    May 28th, 2006 (5/28/2006 9:24pm) in reply to wizardplow

    OT?
  3. N 82 50 24 N 82 50 24 is offline herp derp derp

    Philadelphia, PA
    United States

    Posts: 8,601
    Joined: Jun 05

    May 28th, 2006 (5/28/2006 10:20pm) in reply to stevester214

    I think you need to combine the arrays, then do a sort. I don't see how to keep the corresponding value without combining them.
     
  4. Philly Bones Philly Bones is offline

    Jacksonville, FL
    United States

    Posts: 570
    Joined: Oct 05

    May 28th, 2006 (5/28/2006 10:28pm) in reply to wizardplow

    Does it have to be done like this? It would be better to make a food class with two properties: name and price. Then you don't have to keep track of two different arrays. If you must use two arrays then something like this would work:

    foodname.sort(Array foodprice)
    {
    whenever exchanging values in foodname
    {
    temp = foodname[i];
    foodname[i] = foodname[j];
    foodname[j] = temp;

    temp = foodprice[i];
    foodprice[i] = foodprice[j];
    foodprice[j] = temp;
    }
    }
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