MC4WP_Admin::show_api_key_notice PHP Method

    public function show_api_key_notice()
    {
        // don't show if on settings page already
        if ($this->tools->on_plugin_page('')) {
            return;
        }
        // only show to user with proper permissions
        if (!$this->tools->is_user_authorized()) {
            return;
        }
        // don't show if dismissed
        if (get_transient('mc4wp_api_key_notice_dismissed')) {
            return;
        }
        // don't show if api key is set already
        $options = mc4wp_get_options();
        if (!empty($options['api_key'])) {
            return;
        }
        echo '<div class="notice notice-warning mc4wp-is-dismissible">';
        echo '<p>' . sprintf(__('To get started with MailChimp for WordPress, please <a href="%s">enter your MailChimp API key on the settings page of the plugin</a>.', 'mailchimp-for-wp'), admin_url('admin.php?page=mailchimp-for-wp')) . '</p>';
        echo '<form method="post"><input type="hidden" name="_mc4wp_action" value="dismiss_api_key_notice" /><button type="submit" class="notice-dismiss"><span class="screen-reader-text">Dismiss this notice.</span></button></form>';
        echo '</div>';
    }