DBEntity::first PHP Method

    protected static function first($condition)
    {
        $query = DBEntity::query('SELECT ' . self::$selector . ' FROM ' . static::table() . ' WHERE ' . $condition);
        if ($query == false) {
            return null;
        }
        $row = mysql_fetch_array($query, MYSQL_ASSOC);
        $result = new self();
        $result->init($row);
        return $result;
    }