Just add a check for the log in status:
add_filter( 'pre_comment_user_ip', 'wpse_53935_no_ip_for_logged_users');
function wpse_53935_no_ip_for_logged_users( $ip )
{
return is_user_logged_in() ? 0 : $ip;
}
Just add a check for the log in status:
add_filter( 'pre_comment_user_ip', 'wpse_53935_no_ip_for_logged_users');
function wpse_53935_no_ip_for_logged_users( $ip )
{
return is_user_logged_in() ? 0 : $ip;
}