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Bug #12236 session_start() inside a function destroys reference to $HTTP_SESSION_VARS
Submitted: 2001-07-18 16:08 UTC Modified: 2001-11-24 19:41 UTC
From: b dot erdmann at 4commerce dot de Assigned:
Status: Closed Package: Session related
PHP Version: 4.0.6 OS: any
Private report: No CVE-ID: None
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 [2001-07-18 16:08 UTC] b dot erdmann at 4commerce dot de 
The following code doesn't work

<?php
  function start_session() {
    global $HTTP_SESSION_VARS;
    session_start();
    echo $HTTP_SESSION_VARS["testvar"];
  }
  start_session();
?>

while this one does

<?php
  function start_session() {
    session_start();
    global $HTTP_SESSION_VARS;
    echo $HTTP_SESSION_VARS["testvar"];
  }
  start_session();
?>
Obviosly after session_start() $HTTP_SESSION_VARS is not
global any more.

(register_globals Off)

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 [2001-11-24 19:41 UTC] sniper@php.net 
This problem will be gone in PHP 4.1.0 (and more probs are 
fixed for 4.2.0). In PHP 4.1 we have introduced new TRUE
global variables and one of them is:

$_SESSION (same as $HTTP_SESSION_VARS but is true global)

--Jani
 
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