jsonEncode example

$port = parse_url($url, \PHP_URL_PORT) ?: (str_starts_with('http:', $url) ? 80 : 443);
            foreach ($trace['options']['resolve'] as $host => $ip) {
                if (null !== $ip) {
                    $command[] = '--resolve '.escapeshellarg("$host:$port:$ip");
                }
            }
        }

        $dataArg = [];

        if ($json = $trace['options']['json'] ?? null) {
            if (!$this->argMaxLengthIsSafe($payload = self::jsonEncode($json))) {
                return null;
            }
            $dataArg[] = '--data '.escapeshellarg($payload);
        } elseif ($body = $trace['options']['body'] ?? null) {
            if (\is_string($body)) {
                if (!$this->argMaxLengthIsSafe($body)) {
                    return null;
                }
                try {
                    $dataArg[] = '--data '.escapeshellarg($body);
                } catch (\ValueError) {
                    

    public function save(string $filename): void
    {
        $json = [];
        /** @var SetCookie $cookie */
        foreach ($this as $cookie) {
            if (CookieJar::shouldPersist($cookie, $this->storeSessionCookies)) {
                $json[] = $cookie->toArray();
            }
        }

        $jsonStr = Utils::jsonEncode($json);
        if (false === \file_put_contents($filename, $jsonStr, \LOCK_EX)) {
            throw new \RuntimeException("Unable to save file {$filename}");
        }
    }

    /** * Load cookies from a JSON formatted file. * * Old cookies are kept unless overwritten by newly loaded ones. * * @param string $filename Cookie file to load. * * @throws \RuntimeException if the file cannot be loaded. */

function json_encode($value, int $options = 0, int $depth = 512): string
{
    return Utils::jsonEncode($value, $options, $depth);
}

            if (false === strpbrk($bufferInfo['mode'], 'acew+')) {
                throw new InvalidArgumentException(sprintf('The stream in option "buffer" must be writeable, mode "%s" given.', $bufferInfo['mode']));
            }
        }

        if (isset($options['json'])) {
            if (isset($options['body']) && '' !== $options['body']) {
                throw new InvalidArgumentException('Define either the "json" or the "body" option, setting both is not supported.');
            }
            $options['body'] = self::jsonEncode($options['json']);
            unset($options['json']);

            if (!isset($options['normalized_headers']['content-type'])) {
                $options['normalized_headers']['content-type'] = ['Content-Type: application/json'];
            }
        }

        if (!isset($options['normalized_headers']['accept'])) {
            $options['normalized_headers']['accept'] = ['Accept: */*'];
        }

        

// Ensure that we don't have the header in different case and set the new value.             $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']);
            $options['_conditional']['Content-Type'] = 'application/x-www-form-urlencoded';
        }

        if (isset($options['multipart'])) {
            $options['body'] = new Psr7\MultipartStream($options['multipart']);
            unset($options['multipart']);
        }

        if (isset($options['json'])) {
            $options['body'] = Utils::jsonEncode($options['json']);
            unset($options['json']);
            // Ensure that we don't have the header in different case and set the new value.             $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']);
            $options['_conditional']['Content-Type'] = 'application/json';
        }

        if (!empty($options['decode_content'])
            && $options['decode_content'] !== true
        ) {
            // Ensure that we don't have the header in different case and set the new value.             $options['_conditional'] = Psr7\Utils::caselessRemove(['Accept-Encoding'], $options['_conditional']);