Создание простой базы данных

<?php
include('userconfig.php');
$sqlite = new SQLite3('news.sqlite3');
$result = $sqlite->query('SELECT `id` FROM `users`');
$realid=1;
while ($row = $result->fetchArray(SQLITE3_ASSOC))  {
$oldid=$row['id'];
if ($oldid!=$realid) {
    $sqlite->exec("UPDATE `users` SET `id` = $realid WHERE `id` = $oldid");
} else {
    echo '';
}
$realid++;
}
$result = $sqlite->query('SELECT * FROM `users` ORDER BY `id` DESC');
while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
    echo 'Новость под айди: ' ,$row['id'], '.', $row['tag'], '<br/>', $row['news'], '<br/>', $row['about'], '<br>';
    if (($_SESSION['password']==$realpass && $_SESSION['login']==$reallogin) || ($_SESSION['password']==$realpass2 && $_SESSION['login']==$reallogin2)  || ($_SESSION['password']==$realpass3 && $_SESSION['login']==$reallogin3)) {
        echo '<form method="post" action="editinsite.php" align="right"><input type="hidden" align="right" readonly value="'. $row['id'] .'" name="idnews"><input type="submit" value="Изменить новость"></form><form method="post" action="deletenew.php" align="right"><input type="hidden" align="right" readonly value="'. $row['id'] .'" name="deleteid"><input type="submit" value="Удалить новость"></form><hr>';
    } else {
        echo '<hr>';
    }
}
?>

if ($_SESSION[*]);