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Bug #57843 Unable to load when php session is disabled
Submitted: 2007-09-20 18:35 UTC Modified: 2007-09-21 11:36 UTC
From: confins_de_l_univers at yahoo dot fr Assigned:
Status: Not a bug Package: memcache (PECL)
PHP Version: Irrelevant OS: Linux
Private report: No CVE-ID: None
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From: confins_de_l_univers at yahoo dot fr
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 [2007-09-20 18:35 UTC] confins_de_l_univers at yahoo dot fr
Description:
------------
When PHP is compiled using the option --disable-session, it won't be able to load memcache.so extension.

I try to compile PHP for CLI only therefore I choose to disable the session of PHP and memcache extension for PHP. I have no problem to compile but I have a startup error while loading memcache extension : PHP Warning:  PHP Startup: Unable to load dynamic library '/home/mazzu/php/test/memcache.so - /home/mazzu/php/test/memcache.so: undefined symbol: php_session_create_id in Unknown on line 0'.

Enable session makes this problem disappear.

Reproduce code:
---------------
PHP configure :
./configure --disable-session

Memcache configure :
./configure --enable-memcache --disable-memcache-session --with-php-config=/usr/bin/php-config

php-cli.ini :
extension_dir=/home/mazzu/php/test/
extension=memcache.so

hello.php :
<?php echo "Hello World"; ?>

command line :
mazzu@linux1:~/php/test$ /usr/bin/php -c ./php-cli.ini hello.php

Expected result:
----------------
Hello World

Actual result:
--------------
PHP Warning:  PHP Startup: Unable to load dynamic library '/home/mazzu/php/test/memcache.so' - /home/mazzu/php/test/memcache.so: undefined symbol: php_session_create_id in Unknown on line 0
Hello World

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 [2007-09-21 01:10 UTC] mikael at synd dot info
What version of PHP and pecl/memcache are you using?
 [2007-09-21 01:18 UTC] tony at daylessday dot org
You have to recompile PECL/memcache after disabling sessions support, otherwise it doesn't even know that you disabled something that was enabled before.
 [2007-09-21 11:36 UTC] confins_de_l_univers at yahoo dot fr
This bug report is indeed bogus as I used the wrong PHP header files while compiling the memcache extension.

Unfortunately, after cleaning things up, I had another problem right at the ./configure stage :
" configure: error: Cannot find php_session.h "

It seems this bug is already fixed in the CVS repository :
http://cvs.php.net/viewvc.cgi/pecl/memcache/config9.m4?r1=1.5&r2=1.6&diff_format=u

Applying the exact same patch enabled me to configure, compile and use memcache and PHP without sessions.
 
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