jacobemerick/php-shutterstock-api

<?php

namespace Shutterstock\Api;

use GuzzleHttp\Psr7\StreamDecoratorTrait;
use JsonSerializable;
use Psr\Http\Message\StreamInterface;
use RuntimeException;

class JsonStream implements StreamInterface, JsonSerializable
{

    use StreamDecoratorTrait;

    public function jsonSerialize()
    {
        $contents = (string) $this->getContents();
        if ($contents === '') {
            return null;
        }

        $decodedContents = json_decode($contents, true);
        if (json_last_error() !== JSON_ERROR_NONE) {
            throw new RuntimeException('Error trying to decode response: ' . json_last_error_msg());
        }

        return $decodedContents;
    }
}