NYCPHP Meetup

[Ken Robinson]

At 03:17 PM 10/20/2006, Aaron Fischer wrote:
>Hi,
>
>I'd like to cycle through an array and destroy some elements (and leave
>some intact).  What's the "best" way to do that?
>
>Here's what I put together so far (which shows my array ignorance)  =)
>
><?
>
>$test=array("auth" => "yes" , "name" => "joe" , "sort" => "ascending")
>
>while (list ($k, $v) = each ($test))
>         {
>                 if ($k == "auth") {}
>                 else { unset($k[$v]); }
>         }
>
>?>
>
>That produces an error because of the unset($k[$v]; line.


You need to unset the index in the test array not in the $k array, so 
the unset line should look like:
                 else  unset($test[$k]);

Ken