<?php
// 1. define relative path to `include` directory:
define('AT_INCLUDE_PATH', '../../include/');

// 2. require the `vitals` file before any others:
require (AT_INCLUDE_PATH . 'vitals.inc.php');
authenticate(AT_PRIV_HELLO_WORLD);
require (AT_INCLUDE_PATH.'header.inc.php');


if(isset($_GET['courseName']))
{
    $_courseName=$_GET['courseName'];
    $_courseId=$_GET['courseId'];
    $_courseTiming=$_GET['courseTiming'];
    require(AT_INCLUDE_PATH . 'classes/sqlutility.class.php');
   ///$sqlUtility =& new SqlUtility();
    //$sqlUtility->queryFromFile(dirname(__FILE__) . '/BBB_create_table.sql', TABLE_PREFIX);
      //  echo 'table created';
       // global $db, $progress, $errors;
    $sql = "INSERT INTO ".TABLE_PREFIX."bbb VALUES ('$_courseName','$_courseId','$_courseTiming')";

		$result = mysql_query($sql, $db);


}
?>

Hello Instructor!! :)
<?php
if($_REQUEST['id'])
    echo "1"  ;
else echo "2";
echo $_SESSION['id'];
////get_login(intval($_GET['id']));?>
<table border="2">
    <tr>
        <td>Course name</td>
        <td>course id</td>
        <td>Course timing</td>
        <?php
        //write php code to fetch data from database
        ?>
    </tr>
</table>
Create new virtual classroom
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="get" name="form">

    <table border="2" class="">
        <tr>
            <td>course name</td>
            <td>course id</td>
            <td>Course timing</td>
        </tr>
        <tr>
        <td><input type="text" name="courseName" /></td>
        <td><input type="text" name="courseId" /> </td>
        <td><input type="text" name="courseTiming" /> </td>
        <td><input type="submit" value="submit"/></td>
    </tr>
</table>
</form>

<?php require (AT_INCLUDE_PATH.'footer.inc.php'); ?>