-// Exclude default referal id if set
-// @TODO Rewrite those lines to filter
-$EXCLUDE_LIST = '';
-if (getConfig('def_refid') > 0) $EXCLUDE_LIST .= ' AND d.userid != {?def_refid?}';
-if (isExtensionActive('beg')) $EXCLUDE_LIST .= ' AND d.userid != {?beg_userid?}';
-if (isExtensionActive('bonus')) $EXCLUDE_LIST .= ' AND d.userid != {?bonus_userid?}';
-if (isExtensionActive('doubler')) $EXCLUDE_LIST .= ' AND d.userid != {?doubler_userid?}';
-if (isExtensionInstalledAndNewer('holiday', '0.1.3')) $EXCLUDE_LIST .= " AND d.holiday_active='N'";
+// Exclude default referral id if set
+$userExcludeSql = ' ';
+$excludedUserids = runFilterChain('config_userid_exclusion_sql', array());
+if (isFilledArray($excludedUserids)) {
+ // Exclude all
+ $userExcludeSql = ' AND `d`.`userid` NOT IN (' . implode(', ', $excludedUserids) . ')';
+} // END - if