<?php $this->pictureListTable->repo->buttonHtml(__('add to tags', TXD), 'tag-button', true); ?> </div> <?php $this->pictureListTable->display(); ?> </form> </div> </div> </div> <br class="clear"> </div> </div> <?php } /** Singleton instance */ public static function get_instance() { if (!isset(self::$instance)) { self::$instance = new self(); } return self::$instance; } } add_action('plugins_loaded', function () { OptionPage::get_instance(); });