public static function login()
{
$input = Input::all();
$sid = Students::checkStudent($input['email'], $input['password']);
if ($sid && $sid != 2) {
Session::put('sid', $sid);
return Redirect::to('/students');
} elseif ($sid && $sid == 2) {
return Redirect::to('/students/login')->withErrors(array("msg" => "Password is invalid. Please Try again."));
} else {
return Redirect::to('/students/login')->withErrors(array("msg" => "Sorry!! Student of this email id does not exist."));
}
}
