<?php

createDB();

function createDB()
{
	$db = new SQLite3('guestbook.db');
	$db->exec("CREATE TABLE user
		(id_user INTEGER PRIMARY KEY, username TEXT NOT NULL UNIQUE, password TEXT)");
	$db->exec("CREATE TABLE message
		(id_msg INTEGER PRIMARY KEY, id_user INT, content TEXT NOT NULL, 
			FOREIGN KEY (id_user) REFERENCES user (id_user))");
}