Welcome to The Cookbook

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The CakePHP session component provides a way to persist client data between page requests. It acts as a wrapper for the $_SESSION as well as providing convenience methods for several $_SESSION related functions.

Sessions can be persisted in a few different ways. The default is to use the settings provided by PHP; however, other options exist.

cake

Saves the session files in your app's tmp/sessions directory.

database

Uses CakePHP's database sessions.

cache

Use the caching engine configured by Cache::config(). Very useful in conjunction with Memcache (in setups with multiple application servers) to store both cached data and sessions.

php

The default setting. Saves session files as indicated by php.ini

To change the default Session handling method alter the Session.save Configuration to reflect the option you desire. If you choose 'database' you should also uncomment the Session.database settings and run the database session SQL file located in app/config

To provide a custom configuration, set Session.save Configuration to a filename. CakePHP will use your file in the CONFIGS directory for the settings.

// app/config/core.php
Configure::write('Session.save','my_session');

1. // app/config/core.php
2. Configure::write('Session.save','my_session');

This will allow you to customize the session handling.

// app/config/my_session.php
//
// Revert value and get rid of the referrer check even when,
// Security.level is medium
ini_restore('session.referer_check');

ini_set('session.use_trans_sid', 0);
ini_set('session.name', Configure::read('Session.cookie'));

// Cookie is now destroyed when browser is closed, doesn't 
// persist for days as it does by default for security
// low and medium
ini_set('session.cookie_lifetime', 0);

// Cookie path is now '/' even if you app is within a sub 
// directory on the domain
$this->path = '/';
ini_set('session.cookie_path', $this->path);

// Session cookie now persists across all subdomains
ini_set('session.cookie_domain', env('HTTP_BASE'));

1. // app/config/my_session.php
2. //
3. // Revert value and get rid of the referrer check even when,
4. // Security.level is medium
5. ini_restore('session.referer_check');
6. ini_set('session.use_trans_sid', 0);
7. ini_set('session.name', Configure::read('Session.cookie'));
8. // Cookie is now destroyed when browser is closed, doesn't
9. // persist for days as it does by default for security
10. // low and medium
11. ini_set('session.cookie_lifetime', 0);
12. // Cookie path is now '/' even if you app is within a sub
13. // directory on the domain
14. $this->path = '/';
15. ini_set('session.cookie_path', $this->path);
16. // Session cookie now persists across all subdomains
17. ini_set('session.cookie_domain', env('HTTP_BASE'));