Problem with gzip compressing utf-8 encoded php page. HELP!

i use this at top of my php page:

if (substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip'))
    ob_start("ob_gzhandler");
else
    ob_start();

when page is save with ANSI encoding page was compressed. but when i change page encoding to utf-8 compression was faild. please help!!!

i test compression on ww开发者_JS百科w.gidnetwork.com/tools/gzip-test.php

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By guess is that you are including a BOM in your PHP source file when you save in UTF-8 and that's corrupting the compressed stream. Make sure you save in the file in UTF-8 without BOM.