use isset($$key);
ed
At 09:29 AM 5/30/2002 +1000, David Freeman wrote:
>Hi All,
>
>I've been trying to figure this out based on stuff on php.net but can't
>seem to get a result I need.
>
>I have an array:
>
>$formarray = array ("form1" => "var1", "form2" => "var2");
>
>And now I'm using that array to create a form (fairly abbreviated):
>
>while (list($key, $val) = each($formarray))
>{
> echo "$val:";
> echo "<input name=\"$key\">
>}
>
>What I'm looking to do is set a value in my input tag if a value has
>been set. That is, if this form has been submitted then the variable
>$form1 will contain a value (well, $POST[$form1] will but you get the
>idea).
>
>I want to test if $form1 has a value and if it does then I can add a
>value= arg in my input tag.
>
>I've got as far as working out that $$key will give me the equivalent of
>$form1 but how do I then work out if $form1 has a value?
>
>CYA, Dave
>
>
>
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