/**
  * Register email settings fields.
  *
  * @param   array   		 $settings
  * @param   Charitable_Email $email    The email's helper object.
  * @return  array
  * @access  public
  * @since   1.0.0
  */
 public function register_email_settings($settings, Charitable_Email $email)
 {
     add_filter('charitable_settings_fields_emails_email_' . $email->get_email_id(), array($email, 'add_recipients_field'));
     return $email->email_settings($settings);
 }
 /**
  * Checks whether the passed email is the same as the current email object.
  *
  * @return  boolean
  * @access  protected
  * @since   1.3.2
  */
 protected function is_current_email(Charitable_Email $email)
 {
     return $email->get_email_id() == $this->get_email_id();
 }