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Bug #16818 unset doesn't unset session array
Submitted: 2002-04-25 05:12 UTC Modified: 2002-04-30 03:03 UTC
From: dexxter at nothing dot ch Assigned:
Status: Closed Package: Session related
PHP Version: 4.2.0 OS: linux
Private report: No CVE-ID: None
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 [2002-04-25 05:12 UTC] dexxter at nothing dot ch 
unsetting several vars saved in a session doesn't work. 
 
eg: 
$HTTP_SESSION_VARS["arr_myfirstarray"] = array("foo","bar"); 
$HTTP_SESSION_VARS["arr_mysecondarray"] = array("foo","bar"); 
 
unset($HTTP_SESSION_VARS["arr_myfirstarray"],$HTTP_SESSION_VARS["arr_mysecondarray"]); 
 
doesn't unset the variables in the session. it does unset them for 
the current script, but doesn't remove them from the SESSION-array 
correctly.

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 [2002-04-25 07:46 UTC] yohgaki@php.net 
This bug is a kind of design bug, but it's easily fixed.
We need to get rid of PS(vars) and use PS(http_session_vars) as a main session storage. There are some other options, though.

To reporter: You know work around mentioned in the manual, right?
 [2002-04-25 08:19 UTC] dexxter at nothing dot ch 
reporter feedback:

do you mean the:
  foreach ($my_array as $element ) {
      unset($element) ;
  }
workaround? or is there any better?
 [2002-04-30 03:03 UTC] dexxter at nothing dot ch 
- unset doesn't work as expected if reg_glob is off. setting reg_glob to 'on' makes 
unset working again. only workaround is to dereference if globals are on.
 
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