OOP in PHP using method value with different file

file1.php
--------------------------------------

include ("file2.php");

$classme = new Two;
$classme->valueone = "What is the greatest post blog...";
$classme->display("The greatest post"," dot"," blogspot"); // call function and assign value

file2.php
-------------------------------------

class Two{

function display($var1,$var2,$var3){ //call value
echo $this->valueone;
echo $var1.$var2.$var3;
}
}