Solution to error when CI framework automatically loads session_PHP tutorial

When many programmers use sessions in CI, the website will report an error after turning on automatic loading of sessions. The specific error message is as follows: In order to use the Session class you are required to set an encryption key

Let’s take a look at the solution to the problem.

Prompt information: If you want to use the session class, you must set an encryption key ! Then set one up, after all, it is for safety reasons.

Open application/config/config.php and find the Encryption Key

Copy code The code is as follows:

/*
|------------ -------------------------------------------------- ------------
| Encryption Key
|---------------------------- --------------------------------------------------

| If you use the Encryption class or the Session class you
| MUST set an encryption key. See the user guide for info.

*/
$config['encryption_key'] = 'xxxxx';//Add the key here and it will work!

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