Posted by Palle Hansen on 09/28/41 11:41

Tom Peel wrote:
> I'm getting this message showing up in the apache error_log:
>
> PHP Notice: Undefined offset: 21 in
> /usr/local/apache2/htdocs/cargo/lpdriver.php on line 104
>
> The offending code line is:
>
> $constraintuno[$k] .= $s." + ";
>
> This is inside a loop where $k is integer and being being incremented on
> each iteration.


$constraintuno[$k] .= $s." + ";

is the same as

$constraintuno[$k] = $constraintuno[$k] . $s." + ";

so you could try and remove the dot before =

$constraintuno[$k] = $s." + ";

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