- zend_hash_del(&msg->hdrs, "Content-Length", sizeof("Content-Length"));
- zend_hash_add(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
-
+ if (zend_hash_find(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void **) &original_len) == SUCCESS) {
+ ZVAL_ADDREF(*original_len);
+ zend_hash_add(&msg->hdrs, "X-Original-Content-Length", sizeof("X-Original-Content-Length"), (void *) original_len, sizeof(zval *), NULL);
+ zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
+ } else {
+ zend_hash_add(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
+ }
+