(PECL swoole >= 1.9.0)
swoole_async_writefile — Write data to a file asynchronously
$filename
, string $content
[, callable $callback
[, int $flags
= 0
]] ) : bool
filename
The filename being written.
content
The content writing to the file.
callback
flags
Devuelve TRUE
en caso de éxito o FALSE
en caso de error.