/home/kueuepay/public_html/vendor/phpunit/phpunit/src/Util/Json.php
<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Util;

use const JSON_PRETTY_PRINT;
use const JSON_UNESCAPED_SLASHES;
use const JSON_UNESCAPED_UNICODE;
use function count;
use function is_array;
use function is_object;
use function json_decode;
use function json_encode;
use function json_last_error;
use function ksort;
use PHPUnit\Framework\Exception;

/**
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 */
final class Json
{
    /**
     * Prettify json string.
     *
     * @throws Exception
     */
    public static function prettify(string $json): string
    {
        $decodedJson = json_decode($json, false);

        if (json_last_error()) {
            throw new Exception(
                'Cannot prettify invalid json',
            );
        }

        return json_encode($decodedJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
    }

    /**
     * To allow comparison of JSON strings, first process them into a consistent
     * format so that they can be compared as strings.
     *
     * @return array ($error, $canonicalized_json)  The $error parameter is used
     *               to indicate an error decoding the json. This is used to avoid ambiguity
     *               with JSON strings consisting entirely of 'null' or 'false'.
     */
    public static function canonicalize(string $json): array
    {
        $decodedJson = json_decode($json);

        if (json_last_error()) {
            return [true, null];
        }

        self::recursiveSort($decodedJson);

        $reencodedJson = json_encode($decodedJson);

        return [false, $reencodedJson];
    }

    /**
     * JSON object keys are unordered while PHP array keys are ordered.
     *
     * Sort all array keys to ensure both the expected and actual values have
     * their keys in the same order.
     */
    private static function recursiveSort(&$json): void
    {
        if (!is_array($json)) {
            // If the object is not empty, change it to an associative array
            // so we can sort the keys (and we will still re-encode it
            // correctly, since PHP encodes associative arrays as JSON objects.)
            // But EMPTY objects MUST remain empty objects. (Otherwise we will
            // re-encode it as a JSON array rather than a JSON object.)
            // See #2919.
            if (is_object($json) && count((array) $json) > 0) {
                $json = (array) $json;
            } else {
                return;
            }
        }

        ksort($json);

        foreach ($json as $key => &$value) {
            self::recursiveSort($value);
        }
    }
}
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Kueue Pay Payment Gateway Solutions Developer API Documentation

Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.

1. Introduction

The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.

Prerequisites