Posted by s on 03/23/06 08:45

On Thu, 23 Mar 2006 06:16:42 GMT, Stephen Kay
<sk@karma-lab.nospam.com> wrote:

>Sorry fi this is a stupid question - I come from a c/c++ background, and the
>global variables in php aren't making sense to me.

You're fine, the only adjustment you need to make is that PHP
variables are neither typed nor (necessarily) declared by default.

>If I want to declare a global variable, say in a global.php file, and have
>it initialized to a certian value once, can that be done? Example:
>
>// in global.php
>
>$myvar = 25;
>
>// in some other file
>
>require ("global.php");
>
>function somefunction()
>{
> global $myvar;
>
> if ($myvar == 25){
> $myvar = 30;
> echo "setting myvar to 30.";
> }
>}
>
>
>So far, so good. I can access this variable in this other functions.
>
>But it doesn't seem to *stay* 30. It goes back to 25. Must be some other way
>to do this in php, but I haven't come across the documentation yet. Thanks
>for any info.

At what point in your code does it revert to 25? Do you have a
function somewhere that doesn't pull $myvar from the global scope?


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