public function add_post_type_for_tax_callback_function() { echo '<input name="add_post_type_for_tax" id="add_post_type_for_tax" type="checkbox" value="1" class="code" ' . checked(true, get_option('add_post_type_for_tax'), false) . ' /> '; esc_html_e('Custom taxonomy archive also works as post type archive. ', 'custom-post-type-permalinks'); esc_html_e('There are cases when the template to be loaded is changed.', 'custom-post-type-permalinks'); }