Or, perhaps, you should do: (if register_globals off)
if (!isset($_GET['vw'])){
echo "variable is not set";
}
Of course, you can also do: (if you want to--for some reason)
if ($_GET['vw'] == ""){
write this code
}
- E
PS
> Do all vars in PHP have to be defined first?
No.
>
>Matt Zur wrote:
>
>>BUT on the index.php I want to write this if statement:
>>
>>if ($vw == "") {
>>write this code
>>}
>
>
>If you really mean to see if the variable has been set, try this
>instead:
>
>if (!isset($vw))
>{
> echo "variable is not set";
>}
>
>Happy hacking.
>
>Chris
>
>
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