public static function menu()
 {
     add_submenu_page('formidable', 'Formidable | ' . __('AddOns', 'formidable'), __('AddOns', 'formidable'), 'frm_view_forms', 'formidable-addons', 'FrmAddonsController::list_addons');
     $affiliate = FrmAppHelper::get_affiliate();
     if (!empty($affiliate)) {
         add_submenu_page('formidable', 'Formidable | ' . __('Upgrade to Pro', 'formidable'), __('Upgrade to Pro', 'formidable'), 'frm_view_forms', 'formidable-pro-upgrade', 'FrmAddonsController::upgrade_to_pro');
     }
 }
    private static function maybe_show_upgrade_bar()
    {
        $page = FrmAppHelper::simple_get('page', 'sanitize_title');
        if (strpos($page, 'formidable') !== 0) {
            return;
        }
        if (FrmAppHelper::pro_is_installed()) {
            return;
        }
        $affiliate = FrmAppHelper::get_affiliate();
        if (!empty($affiliate)) {
            ?>
<div class="update-nag frm-update-to-pro">
	Looking for more options to get professional results? <span>Take your forms to the next level.</span> <a href="<?php 
            echo esc_url(FrmAppHelper::make_affiliate_url('https://formidablepro.com'));
            ?>
" class="button">Upgrade to Pro</a>
</div>
<?php 
        }
    }
 private function opening_line()
 {
     $opening = __('You&#8217;ve just installed a new form builder plugin!', 'formidable');
     $affiliate = FrmAppHelper::get_affiliate();
     if ($affiliate == 'mojo') {
         $opening = 'Your Forms plugin has been installed by MOJO Marketplace for your convenience.';
     }
     return $opening;
 }
    private static function maybe_show_upgrade_bar()
    {
        $page = FrmAppHelper::simple_get('page', 'sanitize_title');
        if (strpos($page, 'formidable') !== 0) {
            return;
        }
        if (FrmAppHelper::pro_is_installed()) {
            return;
        }
        $affiliate = FrmAppHelper::get_affiliate();
        if (!empty($affiliate)) {
            $tip = FrmTipsHelper::get_banner_tip();
            ?>
<div class="update-nag frm-update-to-pro">
	<?php 
            echo FrmAppHelper::kses($tip['tip']);
            ?>
	<span><?php 
            echo FrmAppHelper::kses($tip['call']);
            ?>
</span>
	<a href="<?php 
            echo esc_url(FrmAppHelper::make_affiliate_url('https://formidablepro.com?banner=1&tip=' . absint($tip['num'])));
            ?>
" class="button">Upgrade to Pro</a>
</div>
<?php 
        }
    }