Translations:Manual:$wgConf/10/en

is the array of settings. Its format is. Settings may be assigned to (from the more specific to the less specific, this is the  part of   as mentioned above):
 * a specific DB name.
 * a wiki tag (since 1.12.0)
 * a suffix (eg 'wiki' or 'wiktionary') to affect all in that suffix group (can be determined with )
 * 'default' to affect all wikis