Global Variables

[Anon]

I want to declare a number of variables using PHP as global so they are available through-out the pages which a client would browser through.

Any ideas?

I am using PHP 3.whatever!

TA.

[Anon]

You're not looking for global variables, you're looking for session variables. HTTP was not designed that way. Cookies are one way of working around the stateless nature of HTTP. For a more robust solution, upgrade and use PHP4 sessions.

[Anon]

You'll probably want to use cookies then, simple methood:

Example:

setcookie ("TestCookie", "testvalue");

You can then access the value through either of the two variables that php will create for you:

$TestCookie
$HTTP_COOKIE_VARS["TestCookie"];

Now the only thing to remember when setting a cookie is that it must be set before any strings are sent to the client (echo/printf/etc) else you'll get an error like 'headers already sent by somedoc.php'.

PS - This cookie will expire when the user closes their browser and will be recreated next time they visit your site, if you want a cookie that will stay on the users system then you'll need to ad an expiry time.