How to store session in memcached in php ci framework?

How to use memcached to store sessions in ci

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How to use memcached to store sessions in ci

Modify php.ini
session.save_handler = memcache
session.save_path = tcp://127.0.0.1:11211;tcp://127.0.0.1:11212;tcp://127.0.0.1: 11213

It has nothing to do with the framework, just configure it according to the session storage method upstairs