9.5/_json_response_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Http;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


class ‪JsonResponse extends ‪Response

{

    const ‪DEFAULT_JSON_FLAGS = JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_UNESCAPED_SLASHES;


    public function ‪__construct(

        $data = [],

        $status = 200,

        array ‪$headers = [],

        $encodingOptions = self::DEFAULT_JSON_FLAGS

    ) {

        ‪$body = new ‪Stream('php://temp', 'wb+');

        parent::__construct(‪$body, $status, ‪$headers);


        if (!empty($data)) {

            $this->‪setPayload($data, $encodingOptions);

        }


        // Ensure that application/json header is set, if Content-Type was not set before

        if (!$this->‪hasHeader('Content-Type')) {

            $this->headers['Content-Type'][] = 'application/json; charset=utf-8';

            $this->lowercasedHeaderNames['content-type'] = 'Content-Type';

        }

    }


    public function ‪setPayload(array $data = [], $encodingOptions = self::DEFAULT_JSON_FLAGS): ‪JsonResponse

    {

        $this->body->write($this->‪jsonEncode($data, $encodingOptions));

        $this->body->rewind();

        return $this;

    }


    private function ‪jsonEncode($data, $encodingOptions)

    {

        if (is_resource($data)) {

            throw new \InvalidArgumentException('Cannot JSON encode resources', 1504972433);

        }

        // Clear json_last_error()

        json_encode(null);

        $json = json_encode($data, $encodingOptions);

        if (JSON_ERROR_NONE !== json_last_error()) {

            throw new \InvalidArgumentException(sprintf(

                'Unable to encode data to JSON in %s: %s',

                __CLASS__,

                json_last_error_msg()

            ), 1504972434);

        }

        return $json;

    }

}