$result='';
     if(isset($_POST['username']) && isset($_POST['password']))
     {

          $username = $_POST['username'];
          $password = $_POST['password'];

          $_SESSION['username'] = $_POST['username'];

          $sql = 'SELECT * FROM login WHERE  username = :username AND password = :password';
          $stmt = $conn->prepare($sql);
          $stmt->bindParam(':username', $username, PDO::PARAM_STR);
          $stmt->bindParam(':password', $password, PDO::PARAM_STR);
          $stmt->execute();

          if($stmt->rowCount())
          {
          $result="true";

          }
          elseif(!$stmt->rowCount())
          {
            $result="false";
          }

            echo $result;
   }
?>

<?php
include 'DatabaseConfig_Apk.php';

    session_start();
    $professor = $_SESSION['username'];

    // Create connection
    $conn = new mysqli($HostName, $HostUser, $HostPass, $DatabaseName);

    if ($conn->connect_error) {

        die("Connection failed: " . $conn->connect_error);
    }

    $sql = "SELECT NomComplet FROM Info WHERE UserProfessor = '$professor' ";

    $result = $conn->query($sql);

    if ($result->num_rows >0) {
        while($row[] = $result->fetch_assoc()) {

        $tem = $row;

        $json = json_encode($tem);
     }

    } else {
        echo "No Results Found.";
    }

    echo $json;
    $conn->close();
?>