upgrade matrice with files

public/userarea/get_packaging_stock_lots.php

@@ -0,0 +1,30 @@
+<?php
+include('include/headscript.php');
+header('Content-Type: application/json');
+
+$id = isset($_GET['id']) ? (int)$_GET['id'] : 0;
+if ($id <= 0) {
+    echo json_encode(['success' => false, 'message' => 'Invalid id']);
+    exit;
+}
+
+$db = DBHandlerSelect::getInstance();
+$pdo = $db->getConnection();
+
+$sql = "SELECT
+            psl.id,
+            psl.idsupplier,
+            s.supplier_name,
+            psl.lot_code,
+            psl.expiry_date,
+            psl.qty
+        FROM packaging_stock_lots psl
+        INNER JOIN suppliers s ON s.idsupplier = psl.idsupplier
+        WHERE psl.idpackaging_item = ?
+        ORDER BY psl.id DESC";
+
+$stmt = $pdo->prepare($sql);
+$stmt->execute([$id]);
+$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+echo json_encode(['success' => true, 'rows' => $rows]);