(PECL eio >= 0.0.1dev)
eio_write — Write to file
$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.
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
,
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
.
eio_write() returns request resource on success,Im Fehlerfall wird false
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