Filter query arguments passed to a new WP_User_Query()

[jeremyfelt]

The queries created by WP_Users_List_Table and WP_MS_Users_List_Table don't allow for modification before the final SQL statements are generated. By adding a filter to the query arguments accepted in the __construct() method of WP_User_Query(), we have more control over what results are returned.

Attached patch has the included filter. It may be helpful to discuss where else this filter (or action) would belong if __construct() is not the right place for it.

[DrewAPicture]

period + @param

[DrewAPicture]

25285.2.diff​ adds a period to the short description and an @param line for $query. We'll leave it up to the constructor to document the accepted arguments.

[wonderboymusic]

[29363] - pre_get_users action