Save Image File with PHP & MySQL - #7-2

list.php

        <div class="col-md-4 pt-4 pl-4">
            <form method="post" enctype="multipart/form-data">
                <div class="form-group">
                    <label>画像を選択</label>
                    <input type="file" name="image" accept=".jpg,.jpeg,.png" required>
                    <?php if ($err_msg != ''): ?>
                        <div class="invalid-feedback d-block"><?= $err_msg; ?></div>
                    <?php endif; ?>
                </div>
                <button type="submit" class="btn btn-primary">保存</button>
            </form>
        </div>