(PECL eio >= 0.0.1dev)
eio_sendfile — Transfer data between file descriptors
$out_fd,$in_fd,$offset,$length,$pri = ?,$callback = ?,$data = ?
eio_sendfile() copies data between one file descriptor
and another. See SENDFILE(2) man page for details.
out_fdOutput stream, Socket resource, or file descriptor. Should be opened for writing.
in_fdInput stream, Socket resource, or file descriptor. Should be opened for reading.
offsetOffset within the source file.
lengthNumber of bytes to copy.
priThe 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]);datais custom data passed to the request.
resultrequest-specific result value; basically, the value returned by corresponding system call.
reqis optional request resource which can be used with functions like eio_get_last_error().
data
Arbitrary variable passed to callback.
eio_sendfile() returns request resource on success, başarısızlık durumunda false döner.