title: PHP Arithmetic Operations, How to echo resultant value in short form?
body: <p>I am doing a simple operation, <code>$c = $a / $b</code> and getting a result like,</p>
  
  <pre><code>12.0123456789
  </code></pre>
  
  <p>I just want the result of <code>echo $c;</code> like <code>12.01</code> or, <code>12.012</code> or, <code>12.0123</code> or <code>12.custom</code>.</p>
  
  <p>Is it possible? And if it is, my question is how? Thanks in advance.</p>