Reload issue?

<?php
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

</head>
<body>

    <img src="" />

<?php
    if(!isset($_SESSION['somecounter']))
         $_SESSION['somecounter'] = 0;

    print "views: " . $_SESSION['somecounter']++;
?>

</body>
</html>