Development work for one page website/landing page.
index.php - Main model logic/htdoc for webserver
model/ ------ | |__ client/ client side data & logic code (JS) | |__ server/ server side data & logic code (PHP)
controller/ - | |__ client/ client side input code (JS) | |__ server/ server side input code (PHP)
view/ ------ | |__ client/ client side UI code (CSS) | |__ server/ server side UI code (PHP)