title: How to find php execution time?
body: <p>I have a large PHP code in my website, I want to know the <strong>execution time</strong> of processing. How can I do this?</p>
  
  <pre><code>&lt;?php
  // large code
  // large code
  // large code
  
  // print execution time here
  ?&gt;
  </code></pre>