boolean user.iswritable(array userIds)
This method checks if the given users are available for writing.
This method is deprecated and will be removed in the future. Please use user.get instead.
(array) IDs of the users to check.
true if the given users are available for writing.
Check if the two users are writable.
CUser::isWritable() in frontends/php/include/classes/api/services/CUser.php.