/home/kueuepay/public_html/vendor/guzzlehttp/psr7/src/Request.php
<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

/**
 * PSR-7 request implementation.
 */
class Request implements RequestInterface
{
    use MessageTrait;

    /** @var string */
    private $method;

    /** @var string|null */
    private $requestTarget;

    /** @var UriInterface */
    private $uri;

    /**
     * @param string                               $method  HTTP method
     * @param string|UriInterface                  $uri     URI
     * @param (string|string[])[]                  $headers Request headers
     * @param string|resource|StreamInterface|null $body    Request body
     * @param string                               $version Protocol version
     */
    public function __construct(
        string $method,
        $uri,
        array $headers = [],
        $body = null,
        string $version = '1.1'
    ) {
        $this->assertMethod($method);
        if (!($uri instanceof UriInterface)) {
            $uri = new Uri($uri);
        }

        $this->method = strtoupper($method);
        $this->uri = $uri;
        $this->setHeaders($headers);
        $this->protocol = $version;

        if (!isset($this->headerNames['host'])) {
            $this->updateHostFromUri();
        }

        if ($body !== '' && $body !== null) {
            $this->stream = Utils::streamFor($body);
        }
    }

    public function getRequestTarget(): string
    {
        if ($this->requestTarget !== null) {
            return $this->requestTarget;
        }

        $target = $this->uri->getPath();
        if ($target === '') {
            $target = '/';
        }
        if ($this->uri->getQuery() != '') {
            $target .= '?'.$this->uri->getQuery();
        }

        return $target;
    }

    public function withRequestTarget($requestTarget): RequestInterface
    {
        if (preg_match('#\s#', $requestTarget)) {
            throw new InvalidArgumentException(
                'Invalid request target provided; cannot contain whitespace'
            );
        }

        $new = clone $this;
        $new->requestTarget = $requestTarget;

        return $new;
    }

    public function getMethod(): string
    {
        return $this->method;
    }

    public function withMethod($method): RequestInterface
    {
        $this->assertMethod($method);
        $new = clone $this;
        $new->method = strtoupper($method);

        return $new;
    }

    public function getUri(): UriInterface
    {
        return $this->uri;
    }

    public function withUri(UriInterface $uri, $preserveHost = false): RequestInterface
    {
        if ($uri === $this->uri) {
            return $this;
        }

        $new = clone $this;
        $new->uri = $uri;

        if (!$preserveHost || !isset($this->headerNames['host'])) {
            $new->updateHostFromUri();
        }

        return $new;
    }

    private function updateHostFromUri(): void
    {
        $host = $this->uri->getHost();

        if ($host == '') {
            return;
        }

        if (($port = $this->uri->getPort()) !== null) {
            $host .= ':'.$port;
        }

        if (isset($this->headerNames['host'])) {
            $header = $this->headerNames['host'];
        } else {
            $header = 'Host';
            $this->headerNames['host'] = 'Host';
        }
        // Ensure Host is the first header.
        // See: https://datatracker.ietf.org/doc/html/rfc7230#section-5.4
        $this->headers = [$header => [$host]] + $this->headers;
    }

    /**
     * @param mixed $method
     */
    private function assertMethod($method): void
    {
        if (!is_string($method) || $method === '') {
            throw new InvalidArgumentException('Method must be a non-empty string.');
        }
    }
}
Path: home/kueuepay/public_html/vendor/guzzlehttp/psr7/src
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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