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Posted by Jerry Stuckle on 02/07/07 18:11
Generale Cluster wrote:
> Hello,
> I have the following situation:
>
> $list[] is an array of MyElement objects.
>
> MyElement has two members: MyElement->member1; MyElement->member2;
>
> What I want is to get the following:
>
> $newlist[] so that:
>
> $newlist[0]=$list[0]->member2;
> $newlist[1]=$list[1]->member2;
> $newlist[2]=$list[2]->member2;
> ...
>
> I need to do this using A SINGLE LINE OF CODE.
> Is it possible? How to do this?
>
> I tried with:
>
> array_walk($list,create_function('$a,$b,$result','$result[] =
> $a->member2;'), &$result);
>
> but I get the following error:
>
> Warning: Call-time pass-by-reference has been deprecated - argument
> passed by value; If you would like to pass it by reference, modify the
> declaration of array_walk(). If you would like to enable call-time
> pass-by-reference, you can set allow_call_time_pass_reference to true in
> your INI file. However, future versions may not support this any longer.
>
> Thank you
> Regards
Try:
array_walk($list,create_function('$a,$b,&$result','$result[] =
$a->member2;'), $result);
Specify the reference in the parameter list, not when passing the value.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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