Global Variables in PHP

[Anon]

Why is it that $loadCount does not get updated inside of this function? Actually it does get updated, but on repeated calls to this function it is NULL again, meaning the else part is never executed.

function CheckLoad()
{
global $loadCount;
if( $loadCount ==NULL )
{

echo("The_Count_Was Empty");
printf(" <hr>");

$loadCount =1; //update the variable
}
//This part is never executed!!!
else .....

The variable $loadCount is declared in another script file, or globally in this script.

How should i declare a global variable, so that it can be updated, after say a button is pressed on a form?

[Anon]

How should i declare a global variable, so that it can be updated,
after say a button is pressed on a form

It sounds a bit like you're mixing server-side behavior that php is capable of, with client-side expectations (after a button is pressed.) This will not work: even if you're calling the same php script to both create the form and process the posting of it, it's still two completely separate invocations of the script and there won't be any shared data between them. That's why cookies and sessions were invented, after all.