2 http_send_file() multiple ranges
10 HTTP_RANGE=bytes=0-3, 4-5,9-11
13 http_send_content_type('text/plain');
14 http_send_file('data.txt');
20 Content-Type: multipart/byteranges; boundary=%d.%d
24 Content-Type: text/plain
25 Content-Range: bytes 0-3/1010
29 Content-Type: text/plain
30 Content-Range: bytes 4-5/1010
34 Content-Type: text/plain
35 Content-Range: bytes 9-11/1010