[SOLVED] array column shuffle

[winder]

hello all!

 

i'm trying to write a php function that shuffles array's columns. Let me give you an example to clear things out...

 

if we have a table like this....

a	b	c
1	2	3

 

after the shuffle, a must be in same column as 1, b in same as 2 etc.... like this maybe...

c	a	b
3	1	2

 

i think you get the point...

 

I found out about built-in php function shuffle()... if i could somehow make this function to "remember" the exact same shuffle that did in one row...then it would be easy. I would apply the same shuffle in all the other rows...so columns are intact. But i'm afraid this isn't possible.

 

So is there any built-in function that i can use? Or i have to write it all by myself?

 

I would really be thankful for any advice, tip...

 

thanks in advance!

 

[DarkWater]

How is the array stored?  Please show the output of print_r($yourarray); but substitute the correct array name obviously.

[unkwntech]

You can probably just use the shuffle function.

http://www.php.net/shuffle

[winder]

How is the array stored?  Please show the output of print_r($yourarray); but substitute the correct array name obviously.

 

this is what i get from print_r...

 

 

Array 
( 
   [0] => Array 
          ( 
             [0] => 14 
             [1] => 14 
             [2] => 14 
             [3] => 14 
             [4] => 14 
             [5] => 14 
             [6] => 14 
          ) 
   [1] => Array 
          ( 
             [0] => 1 
             [1] => 2 
             [2] => 3 
             [3] => 4 
             [4] => 5 
             [5] => 6 
             [6] => 7 
         ) 
   [2] => Array 
         ( 
             [0] => 1 
             [1] => 2
             [2] => 1 
             [3] => 1 
             [4] => 1 
             [5] => 2 
             [6] => 3 
         ) 
  [3] => Array 
        ( 
            [0] => -1 
            [1] => -1 
            [2] => -1 
            [3] => -1 
            [4] => -1 
            [5] => -1 
            [6] => -1 
         ) 
) 

 

this is the same as the following right?

 

14141414141414

1234567

1211123

-1-1-1-1-1-1-1

 

You can probably just use the shuffle function.

http://www.php.net/shuffle

 

This is the first thing i looked at... but i can't see how this generic shuffle() function can help with this column restriction....

[Barand]

re-arrange your array

$ar = array (
             array (14, 1, 1, -1),
             array (14, 2, 2, -1),
             array (14, 3, 1, -1),
             array (14, 4, 1, -1),
             array (14, 5, 1, -1),
             array (14, 6, 2, -1),
             array (14, 7, 3, -1),
        );

 

Now you can shuffle and keep associated items together

 

[winder]

OK. I sorted it out. I didn't have a clear view of how php manages arrays. I didn't have the correct orientation

 

it seems shuffle() is more than enough

 

Thanks guys for all you help!