+ if (response && !ohandler) {
+#ifdef HTTP_HAVE_ZLIB
+ HashTable *selected;
+ zval zsupported;
+
+ HTTP_G->send.deflate.encoding = 0;
+
+ INIT_PZVAL(&zsupported);
+ array_init(&zsupported);
+ add_next_index_stringl(&zsupported, "gzip", lenof("gzip"), 1);
+ add_next_index_stringl(&zsupported, "x-gzip", lenof("x-gzip"), 1);
+ add_next_index_stringl(&zsupported, "deflate", lenof("deflate"), 1);
+
+ if ((selected = http_negotiate_encoding(&zsupported))) {
+ STATUS hs = FAILURE;
+ char *encoding = NULL;
+ ulong idx;
+
+ if (HASH_KEY_IS_STRING == zend_hash_get_current_key(selected, &encoding, &idx, 0) && encoding) {
+ if (!strcmp(encoding, "gzip") || !strcmp(encoding, "x-gzip")) {
+ if (SUCCESS == (hs = http_send_header_string("Content-Encoding: gzip"))) {
+ HTTP_G->send.deflate.encoding = HTTP_ENCODING_GZIP;
+ }
+ } else if (!strcmp(encoding, "deflate")) {
+ if (SUCCESS == (hs = http_send_header_string("Content-Encoding: deflate"))) {
+ HTTP_G->send.deflate.encoding = HTTP_ENCODING_DEFLATE;
+ }
+ }
+ if (SUCCESS == hs) {
+ http_send_header_string("Vary: Accept-Encoding");
+ }
+ }
+
+ zend_hash_destroy(selected);
+ FREE_HASHTABLE(selected);
+ }
+
+ zval_dtor(&zsupported);
+#else
+ HTTP_G->send.deflate.encoding = 0;
+ php_start_ob_buffer_named("ob_gzhandler", 0, 0 TSRMLS_CC);
+#endif /* HTTP_HAVE_ZLIB */
+ } else if (content_length && !ohandler) {
+ /* emit a content-length header */
+ phpstr header;
+
+ phpstr_init(&header);
+ phpstr_appendf(&header, "Content-Length: %zu", content_length);
+ phpstr_fix(&header);
+ http_send_header_string_ex(PHPSTR_VAL(&header), PHPSTR_LEN(&header), 1);
+ phpstr_dtor(&header);
+ } else {
+ HTTP_G->send.deflate.encoding = 0;
+ }