Sindbad~EG File Manager

<?
/*
	Author: Sang Soo Kim
		This code is available for public use with no legal restriction
*/

session_start();



require_once("dbAccess.php");
?>


<?
if ($_SERVER['REQUEST_METHOD'] == 'POST'){
        $Email = $_POST['Email'];
        
        $sqlStudents = "SELECT  Email, StudentNumber FROM Students WHERE Email = '$Email';";
        $sqlTeachers = "SELECT  Email, TeacherNumber FROM Teachers WHERE Email = '$Email';";
        $qStudents = Query($sqlStudents);
        $qTeachers = Query($sqlTeachers);
        
        $qStudents->fetchInto($srow);
        $qTeachers->fetchInto($trow);
        
        if ($srow[1] != ""){
//        if ($qStudents != null){

                $_SESSION['UserType']='student';
                $_SESSION['UID']='$srow[1]';

                printf("Student found: Email=%s ID=%d", $srow[0], $srow[1]);
                echo "<br><a href='/index.php?include=start'>Start Menu</a></br>";

        }
		if ($trow[1] != ""){

                $_SESSION['UserType']='teacher';
                $_SESSION['UID']='$trow[1]';

                printf("Teacher found: Email=%s ID=%d", $trow[0], $trow[1]);
                echo "<br><a href='/index.php?include=start'>Start Menu</a></br>";

        }
		if ($srow[1] == "" && $trow[1] == ""){
                echo "$Email is not registered.";
                echo "<br><a href='/index.php?include=register'>Register Now</a></br>";
        }
}

?>