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3.4.3.2 CakePHP Core Configuration Variables

The Configure class is used to manage a set of core CakePHP configuration variables. These variables can be found in app/config/core.php. Below is a description of each variable and how it affects your CakePHP application.

Configure Variable Description
debug Changes CakePHP debugging output.

0 = Production mode. No output.
1 = Show errors and warnings.
2 = Show errors, warnings, and SQL.
3 = Show errors, warnings, SQL, and complete controller dump.
App.baseUrl Un-comment this definition if you don’t plan to use Apache’s mod_rewrite with CakePHP. Don’t forget to remove your .htaccess files too.
Routing.admin Un-comment this definition if you’d like to take advantage of CakePHP admin routes. Set this variable to the name of the admin route you’d like to use. More on this later.
Cache.disable When set to true, caching is disabled site-wide.
Cache.check If set to true, enables view caching. Enabling is still needed in the controllers, but this variable enables the detection of those settings.
Session.save Tells CakePHP which session storage mechanism to use.

php = Use the default PHP session storage.
cake = Store session data in /app/tmp
database = store session data in a database table. Make sure to set up the table using the SQL file located at /app/config/sql/sessions.sql.
Session.table The name of the table (not including any prefix) that stores session information.
Session.database The name of the database that stores session information.
Session.cookie The name of the cookie used to track sessions.
Session.timeout Base session timeout in seconds. Actual value depends on Security.level.
Session.start Automatically starts sessions when set to true.
Session.checkAgent When set to false, CakePHP sessions will not check to ensure the user agent does not change between requests.
Security.level The level of CakePHP security. The session timeout time defined in 'Session.timeout' is multiplied according to the settings here.

Valid values:
'high' = x 10
'medium' = x 100
'low' = x 300

'high' and 'medium' also enable session.referer_check
Security.salt A random string used in security hashing.
Acl.classname, Acl.database Constants used for CakePHP’s Access Control List functionality. See the Access Control Lists chapter for more information.

Cache configuration is also found in core.php — We’ll be covering that later on, so stay tuned.

The Configure class can be used to read and write core configuration settings on the fly. This can be especially handy if you want to turn the debug setting on for a limited section of logic in your application, for instance.

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