swoole_async_read

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

swoole_async_read — Read file stream asynchronously

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

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filename

The filename of the file being read.

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

The name of the file.

content

The content readed from the file stream.

chunk_size

The chunk length.

offset

The offset.

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Whether the read is succeed.