'', 'lists' => '', 'email_type' => '', 'element_id' => '', 'element_class' => '', ); $attributes = shortcode_atts( $default_attributes, $attributes, self::SHORTCODE ); $config = array( 'element_id' => $attributes['element_id'], 'lists' => $attributes['lists'], 'email_type' => $attributes['email_type'], 'element_class' => $attributes['element_class'], ); return $this->output_form($attributes['id'], $config, false); } /** * @param int $id * @param array $config * @param bool $echo * * @return string */ public function output_form($id = 0, $config = array(), $echo = true) { try { $form = mc4wp_get_form($id); } catch (Exception $e) { if (current_user_can('manage_options')) { return sprintf('Mailchimp for WordPress error: %s', $e->getMessage()); } return ''; } ++$this->count; // set a default element_id if none is given if (empty($config['element_id'])) { $config['element_id'] = 'mc4wp-form-' . $this->count; } $form_html = $form->get_html($config['element_id'], $config); try { // start new output buffer ob_start(); /** * Runs just before a form element is outputted. * * @since 3.0 * * @param MC4WP_Form $form */ do_action('mc4wp_output_form', $form); // output the form (in output buffer) echo $form_html; // grab all contents in current output buffer & then clean + end it. $html = ob_get_clean(); } catch (Error $e) { $html = $form_html; } // echo content if necessary if ($echo) { echo $html; } return $html; } }