public function do_apf_sample_page() { echo "<p>" . __('This is a sample page that has a link to a hidden page created by the framework.', 'admin-page-framework-loader') . "</p>"; $sLinkToHiddenPage = $this->oUtil->getQueryAdminURL(array('page' => 'apf_hidden_page')); echo "<a href='{$sLinkToHiddenPage}'>" . __('Go to Hidden Page', 'admin-page-framework-loader') . "</a>"; }