title: Reading Excel Files In PHP without third party libraries
body: <p>How do I Read &amp; Process Excel files using PHP?</p>
  
  <p>There are lot of such questions already posted but all the answers contain link to some third party libraries such as PHPExcel. </p>
  
  <p>Is there any way to Read Excel files <strong>without using any such libraries</strong> and directly using PHP?</p>