title: Get value from checkbox array through filter_input(INPUT_POST, 'check_list')
body: <p>My HTML code following:</p>
  
  <pre><code>&lt;form action="test.php" method="post"&gt;
  &lt;input type="checkbox" name="check_list[]" value="value 1"&gt;
  &lt;input type="checkbox" name="check_list[]" value="value 2"&gt;
  &lt;input type="checkbox" name="check_list[]" value="value 3"&gt;
  &lt;input type="checkbox" name="check_list[]" value="value 4"&gt;
  &lt;input type="checkbox" name="check_list[]" value="value 5"&gt;
  &lt;input type="submit" /&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>and my PHP code test.php</p>
  
  <pre><code>$check_list = filter_input(INPUT_POST, 'check_list');
  var_dump($check_list);
  </code></pre>
  
  <p>php code mention top return false,
  but if i am use : <code>$check_list = $_POST['check_list']</code> then its work fine. how can i solve my code through <code>filter_input</code></p>