swoole_async_read

(PECL swoole >= 1.9.0)

swoole_async_read — Read file stream asynchronously

swoole_async_read(
    string $filename,
    callable $callback,
    int $chunk_size = 65536,
    int $offset = 0
): bool

filename

The filename of the file being read.

callback

callback(string $filename, string $content): mixed

chunk_size

The chunk length.

offset

The offset.

Whether the read is succeed.