--- /dev/null
+--TEST--
+ob_deflatehandler
+--SKIPIF--
+<?php
+include 'skip.inc';
+checkcgi();
+skipif(!http_support(HTTP_SUPPORT_ENCODINGS), "need zlib");
+?>
+--ENV--
+HTTP_ACCEPT_ENCODING=gzip
+--FILE--
+<?php
+ob_start('ob_deflatehandler');
+echo "-TEST\n";
+echo "Done\n";
+?>
+--EXPECTF--
+%s
+Content-Encoding: gzip
+Vary: Accept-Encoding
+%s
+