benjie php eto

<?php
  include 'includes/session.php';

    $po_ID = $_POST['po_ID'];

    $json = $_POST['items'];

    $client_id = $_POST['client_id'];

    $date_reserve = date('Y-m-d');

    $conn = $pdo->open();

      foreach ($json as $key => $value)
      {
        for ($i = 1; $i <= $value["quantity"]; $i++)
        {
          //echo "Model:". $value["model"]. "<br>". "Client ID:". $client_id. "<br>". "PO ID:". $po_ID. "<br>";

          try
          {
            $stmt = $conn->prepare("INSERT INTO backup_sales (po_ID, model_id, client_id, sales_date)
              VALUES (:po_ID, :model_id, :client_id, :sales_date)");

            $stmt->execute(['po_ID'=>$po_ID, 'model_id'=>$value["model"], 'client_id'=>$client_id, 'sales_date'=>$date_reserve]);

            $_SESSION['success'] = "<b>".$po_ID."</b> Edit reserved quantity successfully";
          }
          catch(PDOException $e){
            $_SESSION['error'] = $e->getMessage();
          }
        }
      }

    $pdo->close();

?>