echo"<td";
-if($_SESSION["ekv"][$row["id"]]!=$row["price"]) echo" class=\"bg-danger\"";
-if($_SESSION["ekv"][$row["id"]]!=$row["price"]) echo" class=\"bg-success\"";
+if(($_SESSION["ekv"][$row["id"]] ?? -2) != ($row["price"] ?? 0)) echo" class=\"bg-danger\"";
+if(($_SESSION["ekv"][$row["id"]] ?? -2) != ($row["price"] ?? 0)) echo" class=\"bg-success\"";
echo" onclick=\"ajaxOrdersPays('".$row["id"]."','".$row["amo_id"]."','".$row["price"]."','".$row["delivery_date"]."','".$row["phone"]."')\">$pay_text";