bugfix

dbase.inc

     public function userScoreQuery($spelerId)
     {
         $stmtUserScore = $this->db->prepare("SELECT date, won, difficulty FROM game WHERE user_id = :usrid ORDER BY date");
-        $stmtUserScore->bindValue('usrid', $spelerId, SQLITE3_INTEGER);
+        $stmtUserScore->bindValue(':usrid', $spelerId, SQLITE3_INTEGER);
         return $stmtUserScore->execute();
     }
 
         $resultStmt = $this->db->prepare("INSERT INTO game (user_id, date, won, difficulty) VALUES (:splrId, :date, :splrscr, '{$_SESSION['game']->difficulty}')");
         $resultStmt->bindValue(':splrId', $_SESSION['spelerId'], SQLITE3_INTEGER);
         $resultStmt->bindValue(':date', date('Y-m-d H:i:s'), SQLITE3_TEXT);
-        $resultStmt->bindValue('splrscr', $_SESSION['game']->gameResult, SQLITE3_INTEGER);
+        $resultStmt->bindValue(':splrscr', $_SESSION['game']->gameResult, SQLITE3_INTEGER);
         $resultStmt->execute();
     }
 }