如何使用PHP自动将指定数量的文件从一个文件夹移动到另一个文件夹？(在WordPress插件中使用)

<?php
/*
Plugin Name: My File Mover
Description: Move specified number of files from one folder to another using PHP.
Version: 1.0
Author: Your Name
*/

// 添加一个自定义的菜单选项
add_action('admin_menu', 'my_file_mover_menu');
function my_file_mover_menu() {
    add_menu_page('File Mover', 'File Mover', 'manage_options', 'my-file-mover', 'my_file_mover_page');
}

// 创建插件设置页面
function my_file_mover_page() {
    ?>
    <div class="wrap">
        <h2>File Mover</h2>
        <form method="post" action="<?php echo esc_url(admin_url('admin-post.php')); ?>">
            <input type="hidden" name="action" value="my_file_mover_action">
            <label for="source_folder">Source Folder:</label>
            <input type="text" name="source_folder" id="source_folder" required><br><br>
            <label for="destination_folder">Destination Folder:</label>
            <input type="text" name="destination_folder" id="destination_folder" required><br><br>
            <label for="file_count">Number of Files to Move:</label>
            <input type="number" name="file_count" id="file_count" required><br><br>
            <?php wp_nonce_field('my_file_mover_action', 'my_file_mover_nonce'); ?>
            <?php submit_button('Move Files'); ?>
        </form>
    </div>
    <?php
}

// 处理文件移动操作
add_action('admin_post_my_file_mover_action', 'my_file_mover_action');
function my_file_mover_action() {
    // 验证安全性
    if (!isset($_POST['my_file_mover_nonce']) || !wp_verify_nonce($_POST['my_file_mover_nonce'], 'my_file_mover_action')) {
        wp_die('Invalid request.');
    }

    // 获取表单数据
    $source_folder = sanitize_text_field($_POST['source_folder']);
    $destination_folder = sanitize_text_field($_POST['destination_folder']);
    $file_count = intval($_POST['file_count']);

    // 移动文件
    $files = glob($source_folder . '/*');
    $moved_files = 0;
    foreach ($files as $file) {
        if ($moved_files >= $file_count) {
            break;
        }
        $file_name = basename($file);
        $destination = $destination_folder . '/' . $file_name;
        if (rename($file, $destination)) {
            $moved_files++;
        }
    }

    // 显示结果
    $message = $moved_files . ' files moved successfully.';
    echo '<div class="updated"><p>' . $message . '</p></div>';
}