Add ticket status to invoice filter.

invoice.php

@@ -92,10 +92,20 @@ if (isset($_GET['invoice_id'])) {
     ");
 
     //Get billable, and unbilled tickets to add to invoice
-    $sql_tickets_billable = mysqli_query($mysqli, "SELECT * FROM tickets WHERE ticket_client_id = $client_id AND ticket_billable = 1 AND ticket_invoice_id = 0;");
-
-
-
+    $sql_tickets_billable = mysqli_query(
+        $mysqli, "
+        SELECT
+            *
+        FROM
+            tickets
+        WHERE
+            ticket_client_id = $client_id
+        AND
+            ticket_billable = 1
+        AND
+            ticket_invoice_id = 0
+        AND
+            ticket_status LIKE '%close%';");
 
 
     //Add up all the payments for the invoice and get the total amount paid to the invoice