Config folder contains one of the important files in laravel.it contains main setting for your laravel application for example database connection , Api keys ,queue etc.config returns an array .to access an array we need to use config key with file name and descendant key separate by dot(). For example if you have config file as//config/socialname.php To access this array of socialname.php file from config directoryyou have to use config keyword dd(config(‘socialname.social.facebook_username’)); A highly resourceful, innovative, and competent Software Engineer with extensive experience in the design , coding and problem solving .