Re: assignment of data into a 2 dimensional array

"Adam Williams" <awilliam@mdah.state.ms.us> wrote in message news:Pine.LNX.4.44.0405031332560.790-100000@roark.mdah.state.ms.us... > On Mon, 3 May 2004, John W. Holmes wrote: > > > Can you give an example of where this data is coming from and how its > > formatted before you want to reformat it? Is the list and date the result of > > a query or do you have the list in a separate variable or array? > > > > $list1 = '2,3,4,5'; > > $list2 = '6,3,5,6,7'; > > > > How do those relate to the dates? Are you running multiple queries? A short > > code example would help us a lot here. > > > > ---John Holmes... > > > > > > the final array should look like: > > array[x][x]: > > 04-20-2004 -> 2379 > 2380 > 296 > 314 > 2396 > 2395 > > 04-21-2004 -> 2398 > 1403 > 1736 > 1828 > 1203 What about this: $array = array(); // start loop with $date and $cardno // check if a key with this date already exists, if not add it as an empty array if (!isset($array[$date]) $array[$date] = array(); // add card no. to date array $array[$date][] = $cardno; // end loop Then you could loop through the array again and apply array_unique() to each date array to remove duplicate values (which you didn't want). What do you think? Regards, Torsten