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Chapter 31. Source Discussion

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.

Module Structure

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