Translations:Extension:Approved Revs/105/en

This variable is an array, and by default it holds six namespaces: $1 (defined as 0, the main namespace), $2 (2, user pages), $3 (6, files), $4 (10, templates), $5 (12, help pages) and $6 (4, the project namespace, which usually has the same name as the wiki).