title: How to upload a file to AWS S3 bucket from CakePHP 3.0?
body: <p>I have used S3 bucket to upload documents from my CakePHP 2.0 Web Application.</p>
  
  <p>Right now I am facing problem to upload from CakePHP 3.0 Shell script.
  I get <br> <code>Fatal Error: Class S3 not found in App\Shell\S3.php</code>,
  I have googled a lot, <br>I have tried to use S3 SDK but if you try to use S3 class in your Shell script I get above error.<br> 
  Please let me know if I am missing something, any help will be appreciated.</p>