title: warning problem: expects parameter 1 to be mysqli_result
body: <p>I get the following warning listed below and I was wondering how do I fix it</p>
  
  <pre><code>Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given on line 65
  </code></pre>
  
  <p>The code is around this section of PHP code listed below. I can list the full code if needed.</p>
  
  <pre><code>// function to retrieve average and votes
  function getRatingText(){
      $dbc = mysqli_connect ("localhost", "root", "", "sitename");
      $sql1 = "SELECT COUNT(*) 
               FROM articles_grades 
               WHERE users_articles_id = '$page'";
  
      $result = mysqli_query($dbc,$sql1);
      $total_ratings = mysqli_fetch_array($result);
  
      $sql2 = "SELECT COUNT(*) 
               FROM grades 
               JOIN grades ON grades.id = articles_grades.grade_id
               WHERE articles_grades.users_articles_id = '$page'";
  
      $result = mysqli_query($dbc,$sql2);
      $total_rating_points = mysqli_fetch_array($result);
      if (!empty($total_rating_points) &amp;&amp; !empty($total_ratings)){
          $avg = (round($total_rating_points / $total_ratings,1));
          $votes = $total_ratings;
          echo $avg . "/10  (" . $votes . " votes cast)";
      } else {
          echo '(no votes cast)';
      }
  }
  </code></pre>