Çoklu görselleri nasıl aynı anda nasıl insert edebilirim?

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
require '../config.php';
try {
  if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    // Assuming the product_id is passed in the form
    $product_id = $_POST['product_id'];
    // Define target directory
    $target_dir = "../../uploads/";
    // Handling multiple images for productSlider
    if (isset($_FILES['productSlider']['tmp_name']) && is_array($_FILES['productSlider']['tmp_name'])) {
        $total = count($_FILES['productSlider']['tmp_name']);
        for( $i=0 ; $i < $total ; $i++ ) {
          if ($_FILES['productSlider']['error'][$i] === UPLOAD_ERR_OK && is_uploaded_file($_FILES['productSlider']['tmp_name'][$i])) {
            $filename = 'product_' . rand(1000, 9999) . '.' . pathinfo($_FILES['productSlider']['name'][$i], PATHINFO_EXTENSION);
            move_uploaded_file( $_FILES['productSlider']['tmp_name'][$i], $target_dir . $filename );
            // Insert file name into the product_slider table with the corresponding product id
            $sql = "INSERT INTO product_slider (product_id, imgpath, position) VALUES (?, ?, ?)";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([$product_id, $filename, 1]);
            } else {
            echo "Error occurred while uploading file: " . $_FILES['productSlider']['error'][$i];
          }
        }
    }
    // Handling multiple images for productSliderSecond
    if (isset($_FILES['productSliderSecond']['tmp_name']) && is_array($_FILES['productSliderSecond']['tmp_name'])) {
        $totalSecond = count($_FILES['productSliderSecond']['tmp_name']);
        for( $i=0 ; $i < $totalSecond ; $i++ ) {
          if (is_uploaded_file($_FILES['productSliderSecond']['tmp_name'][$i])) {
            $filename = 'product_' . rand(1000, 9999) . '.' . pathinfo($_FILES['productSliderSecond']['name'][$i], PATHINFO_EXTENSION);
            move_uploaded_file( $_FILES['productSliderSecond']['tmp_name'][$i], $target_dir . $filename );
            // Insert file name into the product_slider table with the corresponding product id
            $sql = "INSERT INTO product_slider (product_id, imgpath, position) VALUES (?, ?, ?)";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([$product_id, $filename, 2]);
          } else {
            echo "Error occurred while uploading file: " . $_FILES['productSlider']['error'][$i];
          }
        }
    }
  }
  }
    catch (PDOException $e) {
      echo "Error: " . $e->getMessage();
  }
?>