(PECL swoole >= 1.9.0)
swoole_async_write — Write data to a file stream asynchronously
$filename
, string $content
[, integer $offset
[, callable $callback
]] ) : bool
filename
The filename being written.
content
The content writing to the file.
offset
The offset.
callback
Devuelve TRUE
en caso de éxito o FALSE
en caso de error.