</th></tr>
<tr><th>Status</th><th><?php
echo $r;
?>
</th></tr> </table>
</html>
<?php
}
}
$a = new student();
$a->semester1();
$a->total();
echo "semesterI";
$b = new student();
$b->semester2();
$b->total();
echo "<br>";
echo "semesterII";
$c = new student();
$c->semester3();
$c->total();
echo "<br>";
echo "semesterIII";
$d = new student();
$d->semester4();
$d->total();
echo "<br>";
echo "semesterIV";
?>