There are 4 repositories under session-fixation topic.
Source code for Hacker101.com - a free online web and mobile security class.
A drop-in replacement for PHP's default session handler which stores session data in a MySQL database, providing better performance, better security and protection against session fixation and session hijacking
Learn Spring Security step by step
Hacker101 is a free class for web security. Whether you're a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.
MySQLSessionHandler Class (PHP 7.1)