Viên ngọc phương Đông

<?php
/* @var $this NewsletterImport */

defined('ABSPATH') || exit;

global $wpdb;

include_once NEWSLETTER_INCLUDES_DIR . '/controls.php';
$controls = new NewsletterControls();

$return_page = 'newsletter_import_csv';

if ($this->is_importing()) {
    include __DIR__ . '/csv-importing.php';
    return;
}

if ($this->has_file()) {
    $step = sanitize_key($_GET['step'] ?? '');
    if ($step === 'map') {
        include __DIR__ . '/csv-map.php';
        return;
    }
    include __DIR__ . '/csv-parse.php';
    return;
}

$can_import = true;

if (!$controls->is_action()) {
    $controls->data = $this->options;

$r = $this->prepare_dir();
    if (is_wp_error($r)) {
        $controls->errors .= $r->get_error_message();
        $can_import = false;
    }
} else {

if ($can_import && $controls->is_action('import')) {
        if (isset($_FILES['file']) && isset($_FILES['file']['tmp_name']) && is_uploaded_file($_FILES['file']['tmp_name'])) {
            $this->stop();
            $r = move_uploaded_file($_FILES['file']['tmp_name'], $this->get_filename());
            if ($r === false) {
                $controls->errors = 'The file cannot be copied in the folder ' . esc_html($dir) . '/newsletter. Check if it exists and is writeable. You can also ask for support to your hosting provider.';
            } else {
                $controls->js_redirect('admin.php?page=newsletter_import_csv');
            }
        }
        return;
    }
}
?>

<?php include NEWSLETTER_ADMIN_HEADER ?>

<div id="tnp-heading">
        <?php $controls->title_help('/addons/extended-features/advanced-import/') ?>
        <h2>Import</h2>
        <?php include __DIR__ . '/nav.php' ?>
    </div>

<?php $controls->button('import', __('Next', 'newsletter-import')); ?>

<p class="description">
                                    The file <strong>must be UTF-8 encoded</strong>, be sure to export it in that format. For Excel, choose "File/Save as" to have the option to
                                    select that format.
                                </p>
                                <p>
                                    <a href="<?php echo plugins_url('newsletter-import') . '/sample.csv' ?>" target="_blank">Download a sample here</a>
                                </p>
                            </td>
                        </tr>
                    </table>
                </div>
            </form>
        <?php } ?>
    </div>

<?php include NEWSLETTER_ADMIN_FOOTER ?>

</div>