Manual:$wgMWLoggerDefaultSpi

Details
The value should be an array suitable for use with  . The created object is expected to implement the   interface. See   for additional details.

  creates   instances that will discard all logging events.


 *   (default) creates   instances which mimic the historic implementation of MediaWiki's   logging implementation.


 * <tvar|MWLoggerMonologSpi> </> creates loggers implemented by <tvar|Monolog>Monolog</>. See <tvar|1></> for configuration settings.