function silbunu($text){
    $koda = array("<div>");
	$kodb = array("");
	
	$kodc = str_replace($koda,$kodb,$text);
    $kodd = strtoupper($kodc);
	$kode = array("<div>","</div>","<style>","</style>");
	$kodf = array("","","","");
	
	$kodg = str_replace($kode,$kodf,$kodd);
	
	return $kodg;
}