<html>
<head>
<title>PHP</title>
<script src="jquery.js"></script>
<script src="ren4.js"></script>
</head>
<body onload="sample()">
<div id="memo"></div>
</body>
</html>
function sample(){
$("#memo").load("ren4.php");
}
<?php
$n=4;
$m=5;
$z=$n+$m;
print $z;
?>
