$m1	= $_POST["mesaj"];
		$bul = array("a","b","c","ç","d","e","f","g","ğ","h","ı","i","j","k","l","m","n","o","ö","p","r","s","ş","t","u","ü","v","y","z",".",",","!","?","(",")","'"," ","1","2","3","4","5","6","7","8","9","0");
		$degis = array(1511,1517,1523,1529,1535,1541,1547,1553,1559,1565,1571,1577,1583,1589,1595,1601,1607,1613,1619,1625,1631,1637,1643,1649,1655,1661,1667,1673,1679,1685,1691,1697,1703,1709,1715,1721,1727,1733,1739,1745,1751,1757,1763,1769,1775,1781,1787,1793);
		$son = str_replace($bul, "x$degisx", $m1);
		echo $m1."<hr>".$son;