/**
* Send OptIn email
*
* @param string $email Email of subscribed user
* @param string $first_name First Name of subscribed user
* @param string $last_name Last Name of subscribed user
* @return bool
*/
public static function send_confirmation_email($email, $first_name = '', $last_name = '', $from_settings = false)
{
$subject = Sendgrid_Tools::get_mc_signup_email_subject();
$content = Sendgrid_Tools::get_mc_signup_email_content();
$content_text = Sendgrid_Tools::get_mc_signup_email_content_text();
if (false == $subject or false == $content or false == $content_text) {
return false;
}
$subject = stripslashes($subject);
$content = stripslashes($content);
$content_text = stripslashes($content_text);
$to = array($email);
$token = Sendgrid_OptIn_API_Endpoint::generate_email_token($email, $first_name, $last_name);
$transient = get_transient($token);
if ($transient and isset($transient['email']) and !$from_settings) {
return false;
}
if (false == set_transient($token, array('email' => $email, 'first_name' => $first_name, 'last_name' => $last_name), 24 * 60 * 60) and !$from_settings and $transient) {
return false;
}
$confirmation_link = site_url() . '?__sg_api=1&token=' . $token;
$headers = new SendGrid\Email();
$headers->addSubstitution('%confirmation_link%', array($confirmation_link))->addCategory('wp_sendgrid_subscription_widget');
add_filter('sendgrid_mail_text', function () use(&$content_text) {
return $content_text;
});
$result = wp_mail($to, $subject, $content, $headers);
return $result;
}
