Tag: $_SESSION

  • Bad session handling can lead to performance issues

    The reason is shortly explained in the PHP documentation for session_start() function here: http://php.net/manual/en/function.session-start.php#110649 Furthermore, you can read about it in the session_write_close() function reference page. How we found this? We had slow loading of some admin pages (Plugins, All Pages) in WordPress and every time P3 Profiler was pointing to a different plugin, but…