How to Call SWI-Prolog from PHP 5I have scripts on my Web site that call SWI-Prolog from PHP 5. They run: a game for teaching Prolog, where the players are "intelligent" lorries that survive by buying and selling their freight, and buying petrol with the profit thereby earned; a science-fiction plot generator; and a generator of examples in category theory. A reader saw these last week and asked me why his Prolog-from-PHP script
