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//啟用壓縮

if(function_exists('ob_gzip'))

{

 ob_start('ob_gzip');

}

//準備一些待壓縮的內容

for($i=0; $i<100; $i++)

{

 echo('這裡是測試內容 <br>');

}

//輸出壓縮成果

ob_end_flush();

//這是ob_gzip壓縮函式

function ob_gzip ($content)

{

 if( !headers_sent() && extension_loaded ("zlib") && strstr ( $_SERVER["HTTP_ACCEPT_ENCODING"

 $content = gzencode($content,9);

 header ("Content- Encoding: gzip");

 header ("Vary: Accept- Encoding");

 header ("Content- Length: ".strlen ($content));

 }

 return ($content) ;

}