2 http_send() failed precondition
11 $_SERVER['HTTP_RANGE'] = 'bytes=0-1';
12 $_SERVER['HTTP_IF_UNMODIFIED_SINCE'] = http_date(10000);
13 http_cache_last_modified();
14 http_send_file(__FILE__);
19 Cache-Control: private, must-revalidate, max-age=0
22 Content-type: text/html