How can we get the value of current session Id in PHP?

Question

I have a column called name in a table info
So I want to update that with it's current value, like this name + user_input. I tried with this code but not working

mysql_query("UPDATE info SET name = name + '$user_input' WHERE id='$user_id'");

But It returns 0 and update column to 0....

Any idea how to accomplish this task?

Answer 1

Using session_id() function,you can get the value of session id for current session.

Answer 2

We can get the value of current session with the use of
session_id() returns the session id for the current session.