2 http_send_file() first/last byte range
9 HTTP_RANGE=bytes=0-0,-1
12 http_send_content_type("text/plain");
13 http_send_file('data.txt');
19 Content-Type: multipart/byteranges; boundary=%d.%d
23 Content-Type: text/plain
24 Content-Range: bytes 0-0/1010
28 Content-Type: text/plain
29 Content-Range: bytes 1009-1009/1010