$jUser->id = $i++;
  //$jUser->id = rand();
  $jUser->key = uniqid();
  $jUser->name = $sName;
  $jUser->lastName = $sLastName;
  $jUser->email = $sEmail;
  $jUser->username = $sUsername;
  $jUser->password = $sPassword;
  $jUser->picture = $sPathToSaveFile ;

  array_push( $ajUsers , $jUser );

  $sajUsers = json_encode( $ajUsers  );
  file_put_contents( 'include/users.txt' , $sajUsers );