title: if( $_POST['id'] is set){...} else if ($_GET['id'] is set){...}
body: <p>This is psuedocode:</p>
  
  <pre><code>if( $_POST['id'] is set){
     $id = $_POST['id']
  }else if($_GET['id'] is set){
     $id = $_GET['id']
  }
  </code></pre>
  
  <p>How can this be writ?</p>