a576ddfd_PHP__Runkit_Sandbox___Manual_x_Settings___Status_Indicators_Purpose
[Setting] active [Type] Boolean (Read Only) [Default] TRUE (Initial) [Purpose] 
TRUE if the Sandbox is still in a usable state, FALSE if the request is in bailout due to a call to die(), exit(), or because of a fatal error condition.
PHP: Runkit_Sandbox - Manual
Purpose