dbObject::table PHP Méthode

    public static function table($tableName)
    {
        $tableName = preg_replace("/[^-a-z0-9_]+/i", '', $tableName);
        if (!class_exists($tableName)) {
            eval("class {$tableName} extends dbObject {}");
        }
        return new $tableName();
    }

$sount = 0;
$i = 0;
$Error = '';
$neworderarray['0'] = "";
$neworderarray = array_merge($neworderarray, $_POST['neworder']);
unset($neworderarray['0']);
//loop through the list of ids and update your db
foreach ($neworderarray as $order => $id) {
    $data = array('sort' => $order);
    $db->where('id', $id);
    if ($db->update('sob', $data)) {
        $count++;
    } else {
        $Error = $Error . '' . $db->getLastError();
    }
    $i++;
}
if ($count != $i) {
    echo $Error;
} else {
    $sob = dbObject::table('sob')->get();
    $db->orderBy("sort", "asc");
    $sob = sob::get();
    foreach ($sob as $s) {
        $m[] = round($s->kef, 2);
    }
    echo '1-2 :' . round($m['0'] * $m['1'], 2) . '<br />';
    echo '3-4 :' . round($m['2'] * $m['3'], 2) . '<br />';
    echo '1-3 :' . round($m['0'] * $m['2'], 2) . '<br />';
    echo '2-3 :' . round($m['1'] * $m['2'], 2) . '<br />';
}