Edit File: NoSeekStream.php
<?php namespace GuzzleHttp\Psr7; use Psr\Http\Message\StreamInterface; /** * Stream decorator that prevents a stream from being seeked */ class NoSeekStream implements StreamInterface { use StreamDecoratorTrait; public function seek($offset, $whence = SEEK_SET) { throw new \RuntimeException('Cannot seek a NoSeekStream'); } public function isSeekable() { return false; } }