Manual:PurgeExpiredWatchlistItems.php

Details
purgeExpiredWatchlistItems.php is a used to delete expired rows from the  and  database tables.

Options
purgeExpiredWatchlistItems.php doesn't have any of its own parameters, and the most useful of the generic parameters is probably, which determines how many rows will be deleted on each run (defaults to 500).

Common error
An error is thrown if is not true. Set  to enable.
 * Watchlist expiry is not enabled.