- switch (http_get_request_ranges(zranges, data_size))
- {
- case RANGE_NO:
- zval_dtor(zranges);
- efree(zranges);
- /* go ahead and send all */
- break;
+ /* only send ranges if entity hasn't changed */
+ if (
+ ((!zend_hash_exists(HTTP_SERVER_VARS, "HTTP_IF_MATCH", 13)) ||
+ http_etag_match("HTTP_IF_MATCH", HTTP_G(etag)))
+ &&
+ ((!zend_hash_exists(HTTP_SERVER_VARS, "HTTP_IF_UNMODIFIED_SINCE", 25)) ||
+ http_modified_match("HTTP_IF_UNMODIFIED_SINCE", HTTP_G(lmod)))
+ ) {