title: How does php evaluate the expression $x+++$x++?
body: <p>Please, take a look at the following expression:</p>
  
  <pre><code>$x = 20;
  
  echo $x+++$x++; // 41
  </code></pre>
  
  <p>Why is the answer <code>41</code> instead of <code>43</code>?</p>