title: How to sort versioning info
body: <p>What's the right way, to handle versioning indicators like <code>2.4</code> or <code>2.4.0.9</code> etc. to get the ability of sorting versions.</p>
  
  <p>PHP says, that <code>1.3.4</code> is not a valid integer, but also a non-valid number.</p>
  
  <pre><code>array('2.4','2.3.4','2.4.0.9')
  </code></pre>