HTML File-
<html>
<head><title>Slip20
</title>
</head>
<form action=slip20.php method=get>
Select List of subjects
<select multiple name="subjects[]">
<option value="VB.NET">Vb.NET</option>
<option value="PHP">PHP</option>
<option value="JAVA">JAVA</option>
</select>
<input type=submit value="submit">
</form>
</html>
PHP File-
<?php
echo "You selected subjects are";
echo "";
foreach($_GET['subjects'] as $s)
{
echo "$s";
}
?>