use isset($$key);


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 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
>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
>PHP General Mailing List (
>To unsubscribe, visit:

PHP General Mailing List (
To unsubscribe, visit:

Reply via email to