ID: 8315
Updated by: cynic
Reported By: [EMAIL PROTECTED]
Old-Status: Open
Status: Bogus
Bug Type: *Session related
PHP Version: 4.0 Latest CVS (18/12/2000)
Assigned To:
Comments:
Previous Comments:
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[2000-12-18 13:02:23] [EMAIL PROTECTED]
Apache 1.3.14 through apache-1.3_20001218111201
PHP snapshots since about two weeks ago through php-4.0.4RC6
stock php.ini-optiomized (with the exception of error_reporting E_ALL)
Actually I cannot confirm this bug with latest CVS, because it won't build, but this
has been valid for apachephp4.dll for about two weeks.
This issue can be stripped down to: it seems that with register_globals off, variables
registered in a session become members of $HTTP_SESSION_VARS on the NEXT request, and
when unregistered, get re-registered on the next request. The latter looks like an
outstanding bug.
The (lack of) presence of the error_reporting() calls in the beginning of all the
files has no effect on the issue.
Also, notice that when register_globals is on, session_is_registered() returns true,
the global variable has it's value and is subsequently recreated on the next request,
however, on the request where the session is started, $HTTP_SESSION_VARS is empty.
With register_globals off, it already contains the variable when I traverse the array.
(with the following bump: the increment call in the following block:
$count = 0 ;
session_register( 'count' ) ;
$HTTP_SESSION_VARS['count']++ ;
results in "undefined index" warning...)
Seems like session support should be tagged 'experimental' on win32 Apache... Which is
a pitty, as this httpd represents the shortest and most straightforward way from win32
dev machines to most unix servers...
register_globals on
=======================================================
test1.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
$count = 0 ;
session_register( 'count' ) ;
$count++ ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $count ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="/test2.php">test2.php</a>'
=======================================================
relevant output:
=======================================================
yes
1
=======================================================
test2.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
session_unregister( 'count' ) ;
$count++ ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $count ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="/test3.php">test3.php</a>' ;
=======================================================
relevant output:
=======================================================
no
2
count : 1
test3.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $count ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="test1.php">test1.php</a>' ;
=======================================================
relevant output:
=======================================================
no
Warning: Undefined variable: count ...
register_globals off
=======================================================
test1.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
$count = 0 ;
session_register( 'count' ) ;
$HTTP_SESSION_VARS['count']++ ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $HTTP_SESSION_VARS['count'] ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="/test2.php">test2.php</a>'
=======================================================
relevant output:
=======================================================
Warning: Undefined index: count ...
yes
1
count : 1
=======================================================
test2.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
session_unregister( 'count' ) ;
$HTTP_SESSION_VARS['count']++ ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $HTTP_SESSION_VARS['count'] ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="/test3.php">test3.php</a>' ;
=======================================================
relevant output:
=======================================================
no
2
count : 2
test3.php
=======================================================
error_reporting( E_ALL ) ;
session_start() ;
echo session_is_registered('count') ? 'yes' : 'no' ;
echo $HTTP_SESSION_VARS['count'] ;
foreach( $HTTP_SESSION_VARS as $k => $v ) {
echo "$k : $vn" ;
} ;
echo '<a href="test1.php">test1.php</a>' ;
=======================================================
relevant output:
=======================================================
yes
2
count : 2
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