$sorgu = mysl_query("SELECT count(yorum.haber_id) as toplam,haber.baslik 
FROM yorum 
INNER JOIN haber ON yorum.haber_id = haber.id
GROUP BY yorum.haber_id
HAVING toplam >= 5");
while($veri = mysql_fetch_assoc($sorgu)){
	
	echo $veri['baslik'] ."<br />";

}