44 lines
945 B
PHP
44 lines
945 B
PHP
<?php
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/**
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* ReadBytes trait
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*
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* PHP version 5
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*
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* @author Jim Wigginton <terrafrost@php.net>
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* @copyright 2015 Jim Wigginton
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link http://phpseclib.sourceforge.net
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*/
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declare(strict_types=1);
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namespace phpseclib3\System\SSH\Common\Traits;
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use phpseclib3\Exception\RuntimeException;
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/**
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* ReadBytes trait
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*
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* @author Jim Wigginton <terrafrost@php.net>
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*/
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trait ReadBytes
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{
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/**
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* Read data
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*
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* @throws RuntimeException on connection errors
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*/
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public function readBytes(int $length): string
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{
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$temp = fread($this->fsock, $length);
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if ($temp === false) {
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throw new RuntimeException('\fread() failed.');
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}
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if (strlen($temp) !== $length) {
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throw new RuntimeException("Expected $length bytes; got " . strlen($temp));
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}
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return $temp;
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}
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}
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