/**
* Get the content to be displayed for the extra donation field.
*
* @param string $default
* @param array $args
* @param Charitable_Email $email
* @return string
*/
function ed_charitable_get_extra_donation_field_value($default, $args, $email)
{
if (!$email->has_valid_donation()) {
return '';
}
/**
* Get the actual content you want to display in the emails. In
* this example, we're showing a custom meta field with a key
* `extra_donation_field`.
*/
return get_post_meta($email->get_donation()->ID, 'extra_donation_field', true);
}
/**
* Display the National ID # in emails.
*
* This function will only work if you are using Charitable 1.4+.
*
* Once you have added this snippet, you can display the value in your
* email like this: [charitable_email show=national_id_number]
*
* To adapt this to your needs, you need to pay special attention to the
* filter name. In the example below, our filter name is
* `charitable_email_content_field_value_national_id_number`. The
* `national_id_number` part of this filter name should be whatever you
* use in the shortcode for the show parameter. In other words, if this
* is your shortcode:
*
* [charitable_email show=my_amazing_field]
*
* This would be your filter name:
*
* charitable_email_content_field_value_my_amazing_field
*
* Out of convention, we suggest replacing both with the identifier
* for your field that you use throughout, which is what we have done
* in this example.
*
* @param string $value
* @param array $args
* @param Charitable_Email $email
* @return string
*/
function ed_show_national_id_number_in_email($value, $args, Charitable_Email $email)
{
if ($email->has_valid_donation()) {
$value = ed_donation_get_national_id_number($email->get_donation());
}
return $value;
}
