Posted by Kimmo Laine on 06/28/05 08:49

"roN @ work" <nospam@hotmail.com> wrote in message
news:3ic4teFkp3ouU1@individual.net...
> Hi,
>
> why is OutStr=0 after executing below code?
> I just want to add all the Items in the Array into a String....the String
> should look like this after:
> [String]
> <option>ElementA</option>
> <option>ElementB</option>
> <option>ElementC</option>
> [/String]
>
> [Code]
> $count=count($spamArray);
> $outStr="";
> for($j=0; $j<$count; $j++ )
> {
> $outStr+="<option>".$spamArray[$j]."</option>\n";
> }
> [/Code]
> why is $OutStr=0?
> Thank you!


It's 0, because you are summing strings (which are evaluated 0, since they
are non-numeric) instead of concatenating. Use the concatenation operator .
instead.
Like this:
$outStr.="<option>".$spamArray[$j]."</option>\n";

Thinking or reading the manual helps also.

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