swoole_async_read

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

swoole_async_read — Read file stream asynchronously

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

filename

The filename of the file being read.

callback

mixed callback ( string $filename , string $content )

chunk_size

The chunk length.

offset

The offset.

Whether the read is succeed.