title: Fatal error: Unsupported operand types in ..?
body: <p>The line where this error was called from is this:</p>
  
  <blockquote>
    <p>$celkova_suma=mysql_result($c_res, 0,
    0)+mysql_result($d_res, 0,
    0)-$zlava_suma+$arr[$_POST['sp_platby']];</p>
  </blockquote>
  
  <p>Can someone tell me what I should be looking for??</p>