execQuery($sql); $data = $conn->fetchObject($result); $budgetPlan = $data->Budget_total; $sql = "SELECT Budget_use FROM project_tb WHERE ProjectId='$projectID'"; $result = $conn->execQuery($sql); while($data = $conn->fetchObject($result)){ $budgetUse += $data->Budget_use; } $budgetUse = $budgetUse - $budgetOld; $budgetBalance = $budgetPlan - $budgetUse; if($budget > $budgetBalance){ echo " จำนวนเงินตามแผนคงเหลือไม่เพียงพอ"; } ?>