title: How to convert multiple <br/> tag to a single <br/> tag in php
body: <p>Wanted to convert</p>
  
  <pre><code>&lt;br/&gt;
  &lt;br/&gt;
  &lt;br/&gt;
  &lt;br/&gt;
  &lt;br/&gt;
  </code></pre>
  
  <p>into</p>
  
  <pre><code>&lt;br/&gt;
  </code></pre>