swoole_async_readfile

(PECL swoole >= 1.9.0)

swoole_async_readfile — Read a file asynchronously

swoole_async_readfile ( string $filename , callable $callback ) : bool

filename

The filename of the file being read.

callback

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

成功时返回 true，或者在失败时返回 false。

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