Now that you've got a safe build environment and you're
able to include the modules into PHP files, it's time to
discuss how everything works.
All PHP modules follow a common structure:
Header file inclusions (to include all required
macros, API definitions, etc.)
C declaration of exported functions (required to
declare the Zend function block)
Declaration of the Zend function block
Declaration of the Zend module block
Implementation of
get_module()
Implementation of all exported functions