<?php
/**
* This file is part of the PHP Generics package.
*
* @package Generics
*/
namespace Generics\Streams;
/**
* This interface describes the implementation of an input stream.
*
* @author Maik Greubel <greubel@nkey.de>
*/
interface InputStream extends Stream
{
/**
* Read bytes from stream.
*
* @param int $length
* Number of bytes to read
* @param int $offset
* The offset where to start reading
* @throws StreamException in case of stream is closed
* @return string The readen buffer
*/
public function read($length = 1, $offset = null): string;
}
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