At times, due to mis-configuration or a bug, the session data may not have been removed automatically by PHP cron. So, use the following to remove all the sessions files…
find /var/lib/php/ -name "sess_*" -print -delete
Remove PHP Sessions
Published
It's Pothi, Pothi Kalimuthu! 
Nice
I hope its helpful for somebody
You could add more like what is session
It would be helpful for the people willing to come in PHP World.
Thanks For Sharing
Thanks for your comment.
Will keep it in mind when publishing future posts.
Pothi