Microweber\Providers\UserManager::register_email_send PHP Method

    public function register_email_send($user_id = false)
    {
        if ($user_id == false) {
            $user_id = $this->id();
        }
        if ($user_id == false) {
            return;
        }
        $data = $this->get_by_id($user_id);
        if (!$data) {
            return;
        }
        if (is_array($data)) {
            $register_email_enabled = $this->app->option_manager->get('register_email_enabled', 'users');
            if ($register_email_enabled == true) {
                $register_email_subject = $this->app->option_manager->get('register_email_subject', 'users');
                $register_email_content = $this->app->option_manager->get('register_email_content', 'users');
                if ($register_email_subject == false or trim($register_email_subject) == '') {
                    $register_email_subject = 'Thank you for your registration!';
                }
                $to = $data['email'];
                if ($register_email_content != false and trim($register_email_subject) != '') {
                    if (!empty($data)) {
                        foreach ($data as $key => $value) {
                            if (!is_array($value) and is_string($key)) {
                                $register_email_content = str_ireplace('{' . $key . '}', $value, $register_email_content);
                            }
                        }
                    }
                    $verify_email_link = $this->app->format->encrypt($data['id']);
                    $verify_email_link = api_url('users/verify_email_link') . '?key=' . $verify_email_link;
                    $register_email_content = str_ireplace('{verify_email_link}', $verify_email_link, $register_email_content);
                    if (isset($to) and filter_var($to, FILTER_VALIDATE_EMAIL)) {
                        $sender = new \Microweber\Utils\MailSender();
                        return $sender->send($to, $register_email_subject, $register_email_content);
                    }
                }
            }
        }
    }