InflateStream example

/** * @param resource $stream */
    private function checkDecode(array $options, array $headers, $stream): array
    {
        // Automatically decode responses when instructed.         if (!empty($options['decode_content'])) {
            $normalizedKeys = Utils::normalizeHeaderKeys($headers);
            if (isset($normalizedKeys['content-encoding'])) {
                $encoding = $headers[$normalizedKeys['content-encoding']];
                if ($encoding[0] === 'gzip' || $encoding[0] === 'deflate') {
                    $stream = new Psr7\InflateStream(Psr7\Utils::streamFor($stream));
                    $headers['x-encoded-content-encoding'] = $headers[$normalizedKeys['content-encoding']];

                    // Remove content-encoding header                     unset($headers[$normalizedKeys['content-encoding']]);

                    // Fix content-length header                     if (isset($normalizedKeys['content-length'])) {
                        $headers['x-encoded-content-length'] = $headers[$normalizedKeys['content-length']];
                        $length = (int) $stream->getSize();
                        if ($length === 0) {
                            unset($headers[$normalizedKeys['content-length']]);
                        }