Example of PHP extension

config.m4

dnl lines starting with "dnl" are comments

PHP_ARG_ENABLE(simplemvc, whether to enable Rlyeh extension, [  --enable-simplemvc   Enable simple-mvc extension])

if test "$PHP_SIMPLEMVC" != "no"; then

  dnl this defines the extension
  PHP_NEW_EXTENSION(simplemvc, php_simplemvc.c view.c, $ext_shared)

  dnl this is boilerplate to make the extension work on OS X
  case $build_os in
  darwin1*.*.*)
    AC_MSG_CHECKING([whether to compile for recent osx architectures])
    CFLAGS="$CFLAGS -arch i386 -arch x86_64 -mmacosx-version-min=10.5"
    AC_MSG_RESULT([yes])
    ;;
  darwin*)
    AC_MSG_CHECKING([whether to compile for every osx architecture ever])
    CFLAGS="$CFLAGS -arch i386 -arch x86_64 -arch ppc -arch ppc64"
    AC_MSG_RESULT([yes])
    ;;
  esac

fi

php_simplemvc.c

#include <php.h>
#include "php_simplemvc.h"
#include "view.h"

zend_module_entry simplemvc_module_entry = {
  STANDARD_MODULE_HEADER,
  PHP_SIMPLEMVC_EXTNAME,
  NULL,
  PHP_MINIT(simplemvc),
  NULL,
  NULL,
  NULL,
  NULL,
  PHP_SIMPLEMVC_VERSION,
  STANDARD_MODULE_PROPERTIES
};

// our existing MINIT function from part 3
PHP_MINIT_FUNCTION(simplemvc) {
  simplemvc_init_view(TSRMLS_C);
}

// install module
ZEND_GET_MODULE(simplemvc)

php_simplemvc.h

#define PHP_SIMPLEMVC_EXTNAME "simplemvc"
#define PHP_SIMPLEMVC_VERSION "0.01"

PHP_MINIT_FUNCTION(simplemvc);

view.c

#include <php.h>
 
#include "view.h"
 
zend_class_entry *simplemvc_ce_view;
 
static function_entry view_methods[] = {
  PHP_ME(View, sacrifice, NULL, ZEND_ACC_PUBLIC)
  {NULL, NULL, NULL}
};
 
void simplemvc_init_view(TSRMLS_D) {
  zend_class_entry ce;
 
  INIT_CLASS_ENTRY(ce, "View", view_methods);
  simplemvc_ce_view = zend_register_internal_class(&ce TSRMLS_CC);
 
  /* fields */
  zend_declare_property_bool(simplemvc_ce_view, "alive", strlen("alive"), 1, ZEND_ACC_PUBLIC TSRMLS_CC);
}
 
PHP_METHOD(View, sacrifice) {
  // TODO                                                                                                                                                                   
}

view.h

#ifndef VIEW_H
#define VIEW_H
 
void simplemvc_init_view(TSRMLS_D);
 
PHP_METHOD(View, sacrifice);
 
#endif