eio_write
(PECL eio >= 0.0.1dev)
eio_write — Write to file
Description
mixed
$fd,string
$str,int
$length = 0,int
$offset = 0,int
$pri = EIO_PRI_DEFAULT,callable
$callback = NULL,mixed
$data = NULL): resource
eio_write() writes up to length
bytes from str at offset
offset from the beginning of the file.
Parameters
-
fd -
Stream, Socket resource, or numeric file descriptor, e.g. returned by eio_open()
-
str -
Source string
-
length -
Maximum number of bytes to write.
-
offset -
Offset from the beginning of file.
-
pri -
The request priority:
EIO_PRI_DEFAULT,EIO_PRI_MIN,EIO_PRI_MAX, ornull. Ifnullpassed,priinternally is set toEIO_PRI_DEFAULT. -
callback -
callbackfunction 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.
Return Values
eio_write() returns request resource on success, or false on failure.
See Also
- eio_open() - Opens a file

