title: Compare integers
body: <pre><code>$a = somenumber;
  $b = somenumber;
  </code></pre>
  
  <p><strong>How do I know which variable has the biggest number?</strong> What is the shorter way for this task.</p>
  
  <p>Each number is a positive integer without residue.</p>
  
  <p>Thanks.</p>