swoole_async_readfile

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

swoole_async_readfile — Read a file asynchronously

bool swoole_async_readfile ( string $filename , callable $callback )

filename

The filename of the file being read.

callback

mixed callback ( string $filename , string $content )

Returns TRUE on success or FALSE on failure.