title: PHP round precision bug?
body: <p>Is this a bug or some math thing I don't understand?</p>
  
  <pre><code>round(58.900662, 2) =&gt; 58.9
  </code></pre>
  
  <p>Where is the last zero?</p>
  
  <p>EDIT:
  In my opinion, the documentation is lacking information.</p>
  
  <p>The following code does as expected</p>
  
  <pre><code>number_format(round(58.900662, 2), 2) =&gt; 58.90
  </code></pre>