Posted by Jochem Maas on 05/12/05 21:59

Merlin wrote:
> Brent Baisley wrote:
>
>> Use the id number as the array key and a simple loop should join
>> everything together.
>> for($i=0; $i<count($result['id']); $i++) {
>> $id = $result['id'][$i];
>> $text = $result['text'][$i];
>> $relevance = $result['relevance'][$i];
>> $resultSummary[$id]['id'] = $id;
>> if ( isset($resultSummary[$id]['text']) ) {
>> $resultSummary[$id]['text'] .= ' '.$text;
>> } else {
>> $resultSummary[$id]['text'] = $text;
>> }
>> if ( isset($resultSummary[$id]['rel']) ) {
>> $resultSummary[$id]['relevance'] += ' '.$relevance;
>> } else {
>> $resultSummary[$id]['relevance'] = $relevance;
>> }
>> }

....

>>>
>>> For example:
>>> id text relevance
>>> 23 ok 2
>>> 42 joel 1
>>> 23 php 1
>>>
>>> Desired output:
>>> id text relevance
>>> 23 ok php 3
>>> 42 joel 1
>>>
>>> Has anybody an ide how to do that?
>>>
>>> Thank you for any help,
>>>
>>> Merlin
>>>

.....

>
> Hi Brent,
>
> thank you for that excellent example. I tried to get that working in a
> similar way but failed. However, you brought in knowledge which puts me
> into trouble. How can I output those arrays if they are the other way
> around?
> I used to do it like this:
> for ($i=0;$i<count($result[id]);$i++){
> echo $result[id][$i];
> echo $result[text][$i];
> }
>
> Now the array is the other way around, plus the array
> $resultSummary[$id]['id'] is not a 1,2,3 thing but there are missing
> values?!
> I need those Id's to create proper links from the output.

have you tried foreach? e.g.

foreach ($resultSummary as $id => $vals) {
print_r( $vals );
// do some stuff.
}

>
> Can you shed some more light on this?

it might help to know that actually the '1,2,3 thing'
is a '0,1,2 thing' - sequential (int) keys are always zero based.

read:
http://nl2.php.net/manual/en/language.types.array.php
http://nl2.php.net/array
http://nl2.php.net/foreach
http://nl2.php.net/manual/en/language.control-structures.php

good luck.

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