Putting It All Together

<?php
class Members extends Trongate {

    /**
     * Welcome page  -  shown after successful login.
     */
    public function welcome(): void {
        $data['view_module'] = 'members';
        $data['view_file'] = 'welcome';
        $this->templates->public($data);
    }

    /**
     * Log the member out and redirect to the login page.
     */
    public function logout(): void {
        $this->trongate_tokens->destroy();
        redirect('member-login');
    }

    /**
     * Protected account page  -  only visible to logged-in members.
     */
    public function your_account(): void {
        $token = $this->trongate_tokens->attempt_get_valid_token(2);

        if ($token === false) {
            redirect('member-login');
        }

        // Fetch the member's data using their user ID from the token
        $params = ['trongate_user_id' => $token->user_id];
        $sql = 'SELECT * FROM members WHERE trongate_user_id = :trongate_user_id';
        $member = $this->db->query_bind($sql, $params, 'object');

        if (empty($member)) {
            redirect('member-login');
        }

        $data = (array) $member[0];
        $data['view_module'] = 'members';
        $data['view_file'] = 'your_account';
        $this->templates->public($data);
    }

    /**
     * Display the registration form.
     */
    public function create_account(): void {
        $data['view_module'] = 'members';
        $data['view_file'] = 'create_account';
        $this->templates->public($data);
    }

    /**
     * Process the registration form.
     */
    public function submit_create_account(): void {
        $this->module('login');

        $this->validation->set_rules('username', 'username', 'required|min_length[3]|max_length[55]');
        $this->validation->set_rules('email_address', 'email address', 'required|valid_email');
        $this->validation->set_rules('password', 'password', 'required|min_length[5]|max_length[35]');
        $this->validation->set_rules('password_repeat', 'password repeat', 'required|matches[password]');

        $result = $this->validation->run();

        if ($result === true) {
            // Create the trongate_users record
            $sql = 'INSERT INTO trongate_users (user_level_id, code)
                    VALUES (:user_level_id, :code)';
            $params = [
                'user_level_id' => 2,
                'code' => make_rand_str(32)
            ];
            $this->db->query_bind($sql, $params);
            $trongate_user_id = $this->db->insert_id();

            // Create the members record
            $data['username'] = post('username', true);
            $data['email_address'] = post('email_address', true);
            $data['password'] = $this->login->hash_password(post('password'));
            $data['trongate_user_id'] = $trongate_user_id;
            $data['date_created'] = time();
            $data['num_logins'] = 0;
            $data['last_login'] = 0;
            $data['code'] = make_rand_str(16);

            $this->db->insert($data, 'members');

            set_flashdata('Your account has been created. Please log in.');
            redirect('member-login');
        }

        // Validation failed  -  show the form again with errors
        $data['view_module'] = 'members';
        $data['view_file'] = 'create_account';
        $this->templates->public($data);
    }

}