Web Application Development with PHP 4.0

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

Header File Inclusions

The only header file you really have to include for your modules is php.h, located in the PHP directory. This file makes all macros and API definitions required to build new modules available to your code. ...