$rollnumber;
do {
echo "Enter student Roll Number \n";
$rollnumber = readline();
} while ($rollnumber > 4);
$std->DisplayResult($rollnumber);
break;
case 11:
echo "\n Hello Internee :)\n ";
echo " please enter your name & passowrd to continue\n";
while ($attempts != 0 && $status == false) {
echo "UserName :\n ";
$userName = readline();
echo "Password :\n ";
$password = readline();
$status = $obj->SignIn($userName, $password);
if ($status) {
$attempts = 0;
break;
}
$attempts--;
}
if ($status == true) {
echo "press 1 to Edit Student Info \n";
echo "press 2 to change its password\n";
echo "press 3 to show Student Result Records \n";
echo "press 4 to add Data Entry Operator \n";
$input1 = readline();
switch ($input1) {
case 1:
$rollno;
