Gtkhtml was a reasonably typical binding for PHP-GTK, involved 3 step process Parse C header file to 'defs' format (h2def.py) Create Overrides file for things that can not be automatically created Try building it! Most GTK widgets are designed to have language bindings, so Apart from getting the C memory management right! - The Overrides file is the key time consumer. Generator could do with easier handling of resources It's going to need some work to handle Zend Engine 2 Not all widgets are designed to work on Win32