$needed_angel_types_source = sql_select("SELECT DISTINCT `AngelTypes`.* FROM `ShiftEntry` JOIN `AngelTypes` ON `ShiftEntry`.`TID`=`AngelTypes`.`id` WHERE `ShiftEntry`.`SID`=" . sql_escape($shift['SID']) . " ORDER BY `AngelTypes`.`name`");
foreach($needed_angel_types_source as $needed_angel_type) {
$users_source = sql_select("SELECT `User`.* FROM `ShiftEntry` JOIN `User` ON `ShiftEntry`.`UID`=`User`.`UID` WHERE `ShiftEntry`.`SID`=" . sql_escape($shift['SID']) . " AND `ShiftEntry`.`TID`=" . sql_escape($needed_angel_type['id']));