title: PHP loop with specific $_REQUEST
body: <p>Is it possible to loop based on a specific variable name for a <code>$_REQUEST</code> for example:</p>
  
  <pre><code>if (!$POST)
  {
  do something
  }
  
  else {
  
  if ($_REQUEST['name1'])
  {
  do something
  }
  elseif ($_REQUEST['name2'])
  {
  do something
  }
  
  }
  </code></pre>