$public_dir $public_dir : The front facing public folder, sometimes httpdocs (plesk) or public_html (cpanel) Type
$dev_mode $dev_mode : Enable development mode, will show exceptions, otherwise a 404. Should be false on production sites Type
$helpers $helpers : These are your own helpers located in the app/helpers directory. They should be loaded by filename without the .php extension eg functions.php would be loaded with public $helpers = ['functions']; Type