On Sun, Jul 18, 2010 at 06:37:30PM -0400, David Mehler wrote:
> Hello,
> I've got a file with a variable declared in it. For purposes of this post:
>
> $name = $_POST['name'];
>
> Now a little later in the same file I have a custom function call that
> outputs some information. In that information is an echo statement
> outputting $name:
>
> echo $name;
>
> I'm wondering do I have to have $name declared as a global variable
> within that function? For example:
>
> function customFunction() {
> global $name
> }
>
> I've tried it both ways and both ways it works, with and without the
> global statement. I was under the impression that to be useful in a
> function variables outside were not accessible.
> Thanks.
> Dave.
Variables declared outside a function are visible outside the function.
Variables declared inside a function are visible only within that
function. To use a "global" variable inside a function, you must declare
it global, as:
global $globalvar;
Paul
--
Paul M. Foster
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