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cloneInputStream example

    private function readInput($inputStream, Question $question): string|false
    {
        if (!$question->isMultiline()) {
            $cp = $this->setIOCodepage();
            $ret = fgets($inputStream, 4096);

            return $this->resetIOCodepage($cp, $ret);
        }

        $multiLineStreamReader = $this->cloneInputStream($inputStream);
        if (null === $multiLineStreamReader) {
            return false;
        }

        $ret = '';
        $cp = $this->setIOCodepage();
        while (false !== ($char = fgetc($multiLineStreamReader))) {
            if (\PHP_EOL === "{$ret}{$char}") {
                break;
            }
            $ret .= $char;
        }