cb.c

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <php.h>
#include <ext/standard/info.h>
#include <Zend/zend_extensions.h>

/*
メモるよ！
#from zend/Zend.h
#define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval **return_value_ptr, zval *this_ptr, int return_value_used TSRMLS_DC
#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, return_value_ptr, this_ptr, return_value_used TSRMLS_CC
*/
static PHP_MINFO_FUNCTION(cb)
{
	php_write("hi!\n", 4 TSRMLS_CC);
}

static cb(INTERNAL_FUNCTION_PARAMETERS, int x)
{
	zval *retval = NULL, *args = NULL;
	zval ***argv = NULL;
	int argc = 0;
	zend_fcall_info fci;
	zend_fcall_info_cache fcc;

	if (x == 0) {
		zval *cb = NULL;
		if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
				"z*", &cb, &argv, &argc)
		) {
			return;
		}
		if (FAILURE == zend_fcall_info_init(cb, 0, &fci, &fcc, NULL, NULL TSRMLS_CC)) {
			if (argc) {
				efree(argv);
			}
			return;
		}
	} else {
		if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
				"f*", &fci, &fcc, &argv, &argc)
		) {
			return;
		}
	}

	if (argc) {
		int i;
		zval **ppz;
		MAKE_STD_ZVAL(args);
		array_init_size(args, (uint)argc);
		for (i = 0; i < argc; i++) {
			ppz = *(argv + i);
			SEPARATE_ZVAL_IF_NOT_REF(ppz);
			add_next_index_zval(args, *ppz);
		}
		efree(argv);
	}

	if (SUCCESS == zend_fcall_info_call(&fci, &fcc, &retval, args TSRMLS_CC)) {
		RETVAL_ZVAL(retval, 0, 1);
	} else {
		RETVAL_FALSE;
	}
	if (args) {
		zval_ptr_dtor(&args);
	}
}

static PHP_FUNCTION(cb1)
{
//INTERNAL_FUNCTION_PARAM_PASSTHRUつかうと自分の定義したC関数にパラメーターわたせるお
	cb(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}

static PHP_FUNCTION(cb2)
{
	cb(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}

static zend_function_entry cb_functions[] = {
	PHP_FE(cb1, NULL)
	PHP_FE(cb2, NULL)
	{ NULL, NULL, NULL }
};

static zend_module_entry cb_module_entry = {
	STANDARD_MODULE_HEADER,
	"cb",
	cb_functions,
	NULL,
	NULL,
	NULL,
	NULL,
	PHP_MINFO(cb),
	"0.0.0",
	STANDARD_MODULE_PROPERTIES
};

#ifdef COMPILE_DL_CB
ZEND_GET_MODULE(cb)
#endif

config.m4

PHP_ARG_ENABLE(cb, whether to enable cb support,
[  --enable-cb           Enable cb support])
if test "$PHP_CB" != "no"; then
  PHP_NEW_EXTENSION(cb, cb.c, $ext_shared)
fi

gistfile3.eclass

php -d extension=cb.so -r 'cb1("ReflectionClass::export", "stdClass");'
php -d extension=cb.so -r 'cb1(array("ReflectionClass", "export"), "stdClass");'