I have to create an open sourced code that allows a user to login to facebook through an app and attaches that app’s messenger bot to the user’s pages. I have never written open sourced code before so I would like suggestions on how to improve the code. <?php require_once(“/home/vjukebox/public_html/vendor/autoload.php”); define(“FB_APP_ID”,’App Id Goes Here’); define(“FB_APP_SECRET”,’AppRead more