2 http_send_file() multiple ranges
8 HTTP_RANGE=bytes=0-3, 4-5,9-11
11 http_send_content_type('text/plain');
12 http_send_file('data.txt');
18 Content-Type: multipart/byteranges; boundary=%d.%d
22 Content-Type: text/plain
23 Content-Range: bytes 0-3/1010
27 Content-Type: text/plain
28 Content-Range: bytes 4-5/1010
32 Content-Type: text/plain
33 Content-Range: bytes 9-11/1010