'',
'lists' => '',
'email_type' => '',
'element_id' => '',
'element_class' => '',
];
$attributes = shortcode_atts(
$default_attributes,
$attributes,
self::SHORTCODE
);
$config = [
'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 = [], $echo = true)
{
$html = $this->generate_html($id, $config);
// echo content if necessary
if ($echo) {
echo $html;
}
return $html;
}
protected function generate_html($id = 0, $config = [])
{
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 '';
}
$html = '';
if (!mc4wp_get_api_key()) {
if (current_user_can('manage_options')) {
$html .= '' . __('You need to configure your Mailchimp API key for this form to work properly.', 'mailchimp-for-wp') . '
';
} else {
// if no API key set and request is for an unauthorized user
// show nothing
return '';
}
}
++$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;
}
return $html;
}
}