<?
$adi = "deneme";
$adres = "adres";

$sql = "INSERT INTO parcalar (adi,url) VALUES ('$adi','$url')";
$kontrol = mysql_query("select * from parcalar where adi = '{$adi}'");
if (@mysql_num_rows($kontrol) < 1) 
{
    @mysql_query($sql);
    echo "Eklendi";
}
else
{
    echo 'HATA (eklenemedi)';
}
mysql_close();
?>