I don't wanna use an action page. I wanna post on the same page.
These are my codes. But there is an error called "Undefined index: baslik on line 5 and aciklama on line 6
<?php
include("baglan.php");
$site_basligi = mysqli_real_escape_string($conn, $_POST['baslik']);
$site_aciklamasi = mysqli_real_escape_string($conn, $_POST['aciklama']);
$ayarsql = "UPDATE ayar SET baslik='$site_basligi', aciklama='$site_aciklamasi' WHERE durum='1'";
if($conn->query($ayarsql)){
echo "Güncelleme başarılı";
}
?>
<form action="" method="post">
Site Başlığı: <input type="text" name="baslik" ><br><br>
Açıklama: <input type="text" name="aciklama"><br><br>
<input type="submit">
</form>