How to get rid of “PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/lib/php5/20090626/suhosin.so'” on Debian GNU / Linux

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After a recent new Debian Squeeze Apache+PHP server install and moving a website from another server host running on CentOS 5.7 Linux server, some of the PHP scripts running via crontab started displaying the following annoying PHP Warnings :

debian:~# php /home/website/www/cron/update.php

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626/suhosin.so' – /usr/lib/php5/20090626/suhosin.so: cannot open shared object file: No such file or directory in Unknown on line 0

Obviously the error revealed that PHP cli is not happy that, I've previously removes the suhosin php5-suhosin module from the system.
I wouldn't have removed php5-suhosin if sometimes it doesn't produced some odd experiences with the Apache webserver.
To fix the PHP Warning, I used first grep to see, where exactly the suhosin module gets included in debian's php.ini config files. debian:~# cd /etc/php5
debian:/etc/php5# grep -rli suhosin *
apache2/conf.d/suhosin.ini
cgi/conf.d/suhosin.ini
cli/conf.d/suhosin.ini
conf.d/suhosin.ini

Yeah that's right Debian has three php.ini php config files. One for the php cli/usr/bin/php, another for the Apache webserver loaded php library/usr/lib/apache2/modules/libphp5.so and one for Apache's cgi module/usr/lib/apache2/modules/mod_fcgid.so .

I was too lazy to edit all the above found declarations trying to include the suhosin module in PHP, hence I remembered that probably all this obsolete suhosin module declaration are still present because probably the php5-suhosin package is still not purged from the system.

A quick check with dpkg , further strenthened my assumption as the php5-suhosin module was still hanging around as an (rc – remove candidate);

debian:~# dpkg -l |grep -i suhosin
rc php5-suhosin 0.9.32.1-1 advanced protection module for php5

Hence to remove the obsolete package config and directories completely out of the system and hence solve the PHP Warning I used dpkg –purge, like so:

debian:~# dpkg --purge php5-suhosin
(Reading database ... 76048 files and directories currently installed.)
Removing php5-suhosin ...
Purging configuration files for php5-suhosin ...
Processing triggers for libapache2-mod-php5 ...
Reloading web server config: apache2.

Further on to make sure the PHP Warning is solved I did the cron php script another go and it produced no longer errors:

debian:~# php /home/website/www/cron/update.php
debian:~#

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9 Responses to “How to get rid of “PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/lib/php5/20090626/suhosin.so'” on Debian GNU / Linux”

  1. Hari says:
    Google Chrome 21.0.1180.57 Google Chrome 21.0.1180.57 GNU/Linux GNU/Linux
    Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.57 Safari/537.1

    Thanks !! Worked Perfectly 😀

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  2. waspoza says:
    Google Chrome 21.0.1180.89 Google Chrome 21.0.1180.89 Windows 7 x64 Edition Windows 7 x64 Edition
    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1

    It worked, thanks!

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  3. semiramis satanicfaithson says:
    Firefox 16.0 Firefox 16.0 Windows 8 x64 Edition Windows 8 x64 Edition
    Mozilla/5.0 (Windows NT 6.2; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0

    im asking, where is debian dev team? its a bug since 2 year.

    thanks for document.

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  4. Flozza says:
    Google Chrome 24.0.1312.57 Google Chrome 24.0.1312.57 Windows 7 x64 Edition Windows 7 x64 Edition
    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17

    Thanks you ! =))

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  5. pe7er says:
    Google Chrome 24.0.1312.70 Google Chrome 24.0.1312.70 GNU/Linux GNU/Linux
    Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.70 Safari/537.17

    Great! With your description I managed to solve my suhosin.so error… Thanks!

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  6. Max says:
    Google Chrome 25.0.1364.97 Google Chrome 25.0.1364.97 Windows 7 x64 Edition Windows 7 x64 Edition
    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.97 Safari/537.22

    Thanks for tracking this – saved me some time!

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  7. Kenton says:
    Internet Explorer 8.0 (Compatibility Mode) Internet Explorer 8.0 (Compatibility Mode) Windows XP Windows XP
    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322)

    Hello it’s me, I am also visiting this web page daily, this web site is in fact pleasant and the users are genuinely sharing fastidious thoughts.

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  8. Douglas says:
    Firefox 27.0 Firefox 27.0 Windows 7 x64 Edition Windows 7 x64 Edition
    Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0

    Thank you!

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