EIO_SENDFILE(3) 1 EIO_SENDFILE(3)
eio_sendfile - Transfer data between file descriptors
SYNOPSIS
resource eio_sendfile (mixed $out_fd, mixed $in_fd, int $offset, int $length, [int $pri], [callable $callback], [string $data])
DESCRIPTION
eio_sendfile(3) copies data between one file descriptor and another. See SENDFILE(2) man page for details.
PARAMETERS
o $out_fd
- Output stream, Socket resource, or file descriptor. Should be opened for writing.
o $in_fd
- Input stream, Socket resource, or file descriptor. Should be opened for reading.
o $offset
- Offset within the source file.
o $length
- Number of bytes to copy.
o $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.
o $callback
-$callback function is called when the request is done. It should match the following prototype:
void callback(mixed $data, int $result[, resource $req]);
o $data
-is custom data passed to the request.
o $result
-request-specific result value; basically, the value returned by corresponding system call.
o $req
-is optional request resource which can be used with functions like eio_get_last_error(3)
o $data
- Arbitrary variable passed to $callback.
RETURN VALUES
eio_sendfile(3) returns request resource on success or FALSE on error.
PHP Documentation Group EIO_SENDFILE(3)
