int zend_load_extension(const char *path)
{
#if ZEND_EXTENSIONS_SUPPORT
	DL_HANDLE handle;
	zend_extension *new_extension;
	zend_extension_version_info *extension_version_info;

	handle = DL_LOAD(path);
	if (!handle) {
#ifndef ZEND_WIN32
		fprintf(stderr, "Failed loading %s:  %s\n", path, DL_ERROR());
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
		fflush(stderr);
#endif
#else
		fprintf(stderr, "Failed loading %s\n", path);
#endif
		return FAILURE;
	}

	extension_version_info = (zend_extension_version_info *) DL_FETCH_SYMBOL(handle, "extension_version_info");
	if (!extension_version_info) {
		extension_version_info = (zend_extension_version_info *) DL_FETCH_SYMBOL(handle, "_extension_version_info");
	}
	new_extension = (zend_extension *) DL_FETCH_SYMBOL(handle, "zend_extension_entry");
	if (!new_extension) {
		new_extension = (zend_extension *) DL_FETCH_SYMBOL(handle, "_zend_extension_entry");
	}
	if (!extension_version_info || !new_extension) {
		fprintf(stderr, "%s doesn't appear to be a valid Zend extension\n", path);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
		fflush(stderr);
#endif
		DL_UNLOAD(handle);
		return FAILURE;
	}


	/* allow extension to proclaim compatibility with any Zend version */
	if (extension_version_info->zend_extension_api_no != ZEND_EXTENSION_API_NO &&(!new_extension->api_no_check || new_extension->api_no_check(ZEND_EXTENSION_API_NO) != SUCCESS)) {
		if (extension_version_info->zend_extension_api_no > ZEND_EXTENSION_API_NO) {
			fprintf(stderr, "%s requires Zend Engine API version %d.\n"
					"The Zend Engine API version %d which is installed, is outdated.\n\n",
					new_extension->name,
					extension_version_info->zend_extension_api_no,
					ZEND_EXTENSION_API_NO);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
			fflush(stderr);
#endif
			DL_UNLOAD(handle);
			return FAILURE;
		} else if (extension_version_info->zend_extension_api_no < ZEND_EXTENSION_API_NO) {
			fprintf(stderr, "%s requires Zend Engine API version %d.\n"
					"The Zend Engine API version %d which is installed, is newer.\n"
					"Contact %s at %s for a later version of %s.\n\n",
					new_extension->name,
					extension_version_info->zend_extension_api_no,
					ZEND_EXTENSION_API_NO,
					new_extension->author,
					new_extension->URL,
					new_extension->name);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
			fflush(stderr);
#endif
			DL_UNLOAD(handle);
			return FAILURE;
		}
	} else if (strcmp(ZEND_EXTENSION_BUILD_ID, extension_version_info->build_id) &&
	           (!new_extension->build_id_check || new_extension->build_id_check(ZEND_EXTENSION_BUILD_ID) != SUCCESS)) {
		fprintf(stderr, "Cannot load %s - it was built with configuration %s, whereas running engine is %s\n",
					new_extension->name, extension_version_info->build_id, ZEND_EXTENSION_BUILD_ID);
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
		fflush(stderr);
#endif
		DL_UNLOAD(handle);
		return FAILURE;
	}

	return zend_register_extension(new_extension, handle);
#else
	fprintf(stderr, "Extensions are not supported on this platform.\n");
/* See http://support.microsoft.com/kb/190351 */
#ifdef PHP_WIN32
	fflush(stderr);
#endif
	return FAILURE;
#endif
}
Unknown