public function veriGetir($tablo, $wherealan = "", $wherearray = "", $orderby = "ORDER BY id ASC", $limit = ""){
    $this -> db -> query("SET CHARACTER SET utf8");
    $sql = "SELECT * FROM ".$tablo; // SELECT * FROM tabloadi ekelendi.
    if($wherealan && $wherearray){
        $sql .= " ".$wherealan; // SELECT * FROM tabloadi WHERE id // Eklendi
        if($orderby){$sql .= " ".$orderby;}
        if($limit){$sql .=" LIMIT ".$limit;}
        $start = $this -> db -> prepare($sql);
        $sonuc = $start -> execute($wherearray);
        $veri = $start -> fetchAll(PDO::FETCH_ASSOC);
    }else{
        if($orderby){$sql .= " ".$orderby;}
        if($limit){$sql .=" LIMIT ".$limit;}
        $veri = $this -> db -> query($sql, PDO::FETCH_ASSOC);
    }

    if($veri && $veri != false){
        $datalar = array();
        foreach($veri as $bilgiler){
            $datalar[] = $bilgiler;
        }
    }else{
        return false;
    }

}

$start = $this -> db -> prepare($sql);
$sonuc = $start -> execute($wherearray);