WordPressプラグインにタグクラウド管理機能を追加する方法

<?php
function tag_cloud_page() {
    ?>
    <div class="wrap">
        <h1><?php esc_html_e( '标签云管理', 'text-domain' ); ?></h1>
        <form method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>">
            <input type="hidden" name="action" value="update_tag_cloud_settings">
            <?php wp_nonce_field( 'tag_cloud_settings_action', 'tag_cloud_settings_nonce' ); ?>
            <h2><?php esc_html_e( '标签云设置', 'text-domain' ); ?></h2>
            <table class="form-table">
                <tr>
                    <th scope="row">
                        <label for="tag_cloud_min_font_size"><?php esc_html_e( '最小字体大小', 'text-domain' ); ?></label>
                    </th>
                    <td>
                        <input type="number" name="tag_cloud_min_font_size" id="tag_cloud_min_font_size" value="<?php echo esc_attr( get_option( 'tag_cloud_min_font_size', 12 ) ); ?>" class="regular-text" min="10" max="48" step="2">
                        <p class="description"><?php esc_html_e( '标签云中最小标签的字体大小（单位：像素）', 'text-domain' ); ?></p>
                    </td>
                </tr>
                <tr>
                    <th scope="row">
                        <label for="tag_cloud_max_font_size"><?php esc_html_e( '最大字体大小', 'text-domain' ); ?></label>
                    </th>
                    <td>
                        <input type="number" name="tag_cloud_max_font_size" id="tag_cloud_max_font_size" value="<?php echo esc_attr( get_option( 'tag_cloud_max_font_size', 24 ) ); ?>" class="regular-text" min="24" max="72" step="2">
                        <p class="description"><?php esc_html_e( '标签云中最大标签的字体大小（单位：像素）', 'text-domain' ); ?></p>
                    </td>
                </tr>
            </table>
            <?php submit_button(); ?>
        </form>
    </div>
    <?php
}

<?php
function save_tag_cloud_settings(){
    if ( ! current_user_can( 'manage_options' ) ) {
        wp_die( esc_html__( '你没有权限进行此操作！', 'text-domain' ) );
    }

    check_admin_referer( 'tag_cloud_settings_action', 'tag_cloud_settings_nonce' );

    $min_font_size = isset( $_POST['tag_cloud_min_font_size'] ) ? intval( $_POST['tag_cloud_min_font_size'] ) : 12;
    $max_font_size = isset( $_POST['tag_cloud_max_font_size'] ) ? intval( $_POST['tag_cloud_max_font_size'] ) : 24;

    update_option( 'tag_cloud_min_font_size', $min_font_size );
    update_option( 'tag_cloud_max_font_size', $max_font_size );

    wp_redirect( add_query_arg( 'message', '1', admin_url( 'admin.php?page=tag-cloud' ) ) );
    exit;
}
add_action( 'admin_post_update_tag_cloud_settings', 'save_tag_cloud_settings' );

<?php
function add_tag_cloud_management_menu() {
    add_submenu_page(
        'options-general.php',
        '标签云管理',
        '标签云管理',
        'manage_options',
        'tag-cloud',
        'tag_cloud_page'
    );
}
add_action( 'admin_menu', 'add_tag_cloud_management_menu' );