Try the beta version of the new SilverStripe documentation

For the next 2 weeks you can use the new documentation website and give us your feedback.


This document contains information about a future release and not the current stable version (3.1).

Be aware that information on this page may change and API's may not be stable for production use.



  • The use of the isDev or isTest query string parameter is now restricted to those logged in as admin, and requires users to login via the front end form rather than using basic authentication. This follows the same process as the use of the 'flush' query string parameter, and will redirect requests containing this argument with a token in the querystring. Director::isDev, Director::isTest, and Director::isLive no longer have any parameters.


Comment policy: Please use comments for tips and corrections about the described functionality.
Comments are moderated, we reserve the right to remove comments that are inappropriate or are no longer relevant. Use the Silverstripe Forum to ask questions.

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