title: Minus value using php
body: <p>I have the value as <code>$title =10</code> and I want to minus it with <code>01</code>.So my code is:</p>
  
  <pre><code>echo  $minus = round(($title - 01),2);
  </code></pre>
  
  <p>I want the result <code>$minus = 09</code> but this code not like this it still have the result <code>$minus=9</code>. Anyone help me please,Thanks.</p>