Re: Array group and sum values.

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On Tue, May 11, 2010 at 2:25 PM, Jim Lucas <lists@xxxxxxxxx> wrote:
> Paul Halliday wrote:
>> I have this:
>>
>> while ($row = mysql_fetch_array($theData[0])) {
>>
>>     $col1[] = $row[0];
>>     $col2[] = lookup($row[1]); // this goes off and gets the country name.
>>
>> I then loop through col1 and col2 to produce something like this:
>>
>> 52    ARMENIA
>> 215   CANADA
>> 57    CANADA
>> 261   COLOMBIA
>> 53    EGYPT
>> 62    INDIA
>> 50    INDIA
>>
>> Is there a way I can group these?
>>
>> Thanks!
>>
>
> Group them??
>
> How about this
>
> while ($row = mysql_fetch_array($theData[0])) {
>
>    $col1[lookup($row[1])][] = $row[0];
>
> which, using the data you showed, will give you this
>
>
> Array
> (
>    [ARMENIA] => Array
>        (
>            [0] => 52
>        )
>
>    [CANADA] => Array
>        (
>            [0] => 215
>            [1] => 57
>        )
>
>    [COLOMBIA] => Array
>        (
>            [0] => 261
>        )
>
>    [EGYPT] => Array
>        (
>            [0] => 53
>        )
>
>    [INDIA] => Array
>        (
>            [0] => 62
>            [1] => 50
>        )
>
> )
>
> --
> Jim Lucas
>
>   "Some men are born to greatness, some achieve greatness,
>       and some have greatness thrust upon them."
>
> Twelfth Night, Act II, Scene V
>    by William Shakespeare
>

I was actually hoping to have them arranged like:

$col1[0] = INDIA
$col2[0] = 112
$col1[1] = CANADA
$col2[1] = 272
...

Thanks.

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