Re: problem with passing-by-reference

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> On Fri, May 14, 2010 at 10:09 AM, Rene Veerman <rene7705@xxxxxxxxx> wrote:
>> Hi.
>>
>> I'm doing the 5.3-strict thing, and am removing all my
>> passing-by-reference muck from a script of mine.
>>
>> But i've run into a problem;
>>
>> I use the following construct to push new values fairly deeply inside
>> an array structure;
>>
>> $chase = chaseToReference ($wm, $path);
>> $arr = result($chase);
>> $arr[$v] = $lid;
>>
>> $path is a flat-list array of indexes in $wm that have to be traversed
>> to get to the right portion of $wm.
>> a debug-dump of $wm and $arr after running this code shows $arr
>> correctly updated, but $wm not. :((
>>
>> here are the functions involved, any help is much appreciated.
>>
>> function chaseToReference (&$array, $path) {
>>  if (!empty($path)) {
>>    if (empty($array[$path[0]])) {
>>                        return badResult (E_USER_WARNING, array(
>>                                'msg' => 'Could not walk the full tree',
>>                                '$path' => $path,
>>                                '$array (possibly partially walked)' => $array
>>                        ));
>>    } else return chaseToReference($array[$path[0]], array_slice($path, 1));
>>  } else {
>>    return goodResult($array);
>>  }
>> }
>>
>> function result(&$r) {
>>  return $r['result'];
>> }
>>
>> function goodResult(&$r) {
>>  $r2 = array (
>>  'isMetaForFunc' => true,
>>        'result' => &$r
>>  );
>>  return $r2;
>> }
>>

On Fri, May 14, 2010 at 10:39 AM, Rene Veerman <rene7705@xxxxxxxxx> wrote:
> changed all function-definitions to include a "&" before their name,
> no change in behavior though..
>

And then, change the calling code to:

$chase = &chaseToReference ($wm, $path);
$arr = &result($chase);
$arr[$v] = $lid;


and it works :))

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