Fixing PHP Fatal error: Call to undefined function session_register()

Monday, 1st July 2013

While moving Website from older Debian 6 to Debian 7 server with Apache I encountered PHP Fatal error:

PHP Fatal error:  Call to undefined function session_register() in /var/www2/site/www/include/modules/core/session.class.php on line 7, referer:

In PHP newer than PHP 5.3, session_register(): function is obsolete, there is no need anymore to have this function initiated before using SESSION variables.

Comment out  in PHP files prompting error in Apache error.log everywhere where matched:



to look like this:


In newer PHP versions to initialize sessions:


Before test it again in browser, restart Browser and Apache server to make sure some caching from Apache or Browser doesn't influence. That's all now site  works fine 🙂

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One Response to “Fixing PHP Fatal error: Call to undefined function session_register()”

  1. Teena Burkhart says:
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    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36,gzip(gfe)

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