eio_sendfile
Transfer data between file descriptors
Beschreibung
resource eio_sendfile
( mixed $out_fd
, mixed $in_fd
, int $offset
, int $length
[, int $pri
[, callable $callback
[, string $data
]]] )
Parameter-Liste
-
out_fd
-
Output stream, Socket resource, or file descriptor. Should be opened for writing.
-
in_fd
-
Input stream, Socket resource, or file descriptor. Should be opened for reading.
-
offset
-
Offset within the source file.
-
length
-
Number of bytes to copy.
-
pri
-
The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or NULL.
If NULL passed, pri internally is set to
EIO_PRI_DEFAULT.
-
callback
-
callback function is called when the request is done.
It should match the following prototype:
void callback(mixed $data, int $result[, resource $req]);
-
data
-
is custom data passed to the request.
-
result
-
request-specific result value; basically, the value returned by corresponding
system call.
-
req
-
is optional request resource which can be used with functions like eio_get_last_error
-
data
-
Arbitrary variable passed to callback.
Rückgabewerte
eio_sendfile returns request resource on success or FALSE on error.