<?php

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;

/**
 * PSR-7 response implementation.
 */
class Response implements ResponseInterface
{
    use MessageTrait;

    /** Map of standard HTTP status code/reason phrases */
    private const PHRASES = [
        100 => 'Continue',
        101 => 'Switching Protocols',
        102 => 'Processing',
        200 => 'OK',
        201 => 'Created',
        202 => 'Accepted',
        203 => 'Non-Authoritative Information',
        204 => 'No Content',
        205 => 'Reset Content',
        206 => 'Partial Content',
        207 => 'Multi-status',
        208 => 'Already Reported',
        300 => 'Multiple Choices',
        301 => 'Moved Permanently',
        302 => 'Found',
        303 => 'See Other',
        304 => 'Not Modified',
        305 => 'Use Proxy',
        306 => 'Switch Proxy',
        307 => 'Temporary Redirect',
        308 => 'Permanent Redirect',
        400 => 'Bad Request',
        401 => 'Unauthorized',
        402 => 'Payment Required',
        403 => 'Forbidden',
        404 => 'Not Found',
        405 => 'Method Not Allowed',
        406 => 'Not Acceptable',
        407 => 'Proxy Authentication Required',
        408 => 'Request Time-out',
        409 => 'Conflict',
        410 => 'Gone',
        411 => 'Length Required',
        412 => 'Precondition Failed',
        413 => 'Request Entity Too Large',
        414 => 'Request-URI Too Large',
        415 => 'Unsupported Media Type',
        416 => 'Requested range not satisfiable',
        417 => 'Expectation Failed',
        418 => 'I\'m a teapot',
        422 => 'Unprocessable Entity',
        423 => 'Locked',
        424 => 'Failed Dependency',
        425 => 'Unordered Collection',
        426 => 'Upgrade Required',
        428 => 'Precondition Required',
        429 => 'Too Many Requests',
        431 => 'Request Header Fields Too Large',
        451 => 'Unavailable For Legal Reasons',
        500 => 'Internal Server Error',
        501 => 'Not Implemented',
        502 => 'Bad Gateway',
        503 => 'Service Unavailable',
        504 => 'Gateway Time-out',
        505 => 'HTTP Version not supported',
        506 => 'Variant Also Negotiates',
        507 => 'Insufficient Storage',
        508 => 'Loop Detected',
        510 => 'Not Extended',
        511 => 'Network Authentication Required',
    ];

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

    /** @var int */
    private $statusCode;

    /**
     * @param int                                  $status  Status code
     * @param (string|string[])[]                  $headers Response headers
     * @param string|resource|StreamInterface|null $body    Response body
     * @param string                               $version Protocol version
     * @param string|null                          $reason  Reason phrase (when empty a default will be used based on the status code)
     */
    public function __construct(
        int $status = 200,
        array $headers = [],
        $body = null,
        string $version = '1.1',
        string $reason = null
    ) {
        $this->assertStatusCodeRange($status);

        $this->statusCode = $status;

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

        $this->setHeaders($headers);
        if ($reason == '' && isset(self::PHRASES[$this->statusCode])) {
            $this->reasonPhrase = self::PHRASES[$this->statusCode];
        } else {
            $this->reasonPhrase = (string) $reason;
        }

        $this->protocol = $version;
    }

    public function getStatusCode(): int
    {
        return $this->statusCode;
    }

    public function getReasonPhrase(): string
    {
        return $this->reasonPhrase;
    }

    public function withStatus($code, $reasonPhrase = ''): ResponseInterface
    {
        $this->assertStatusCodeIsInteger($code);
        $code = (int) $code;
        $this->assertStatusCodeRange($code);

        $new = clone $this;
        $new->statusCode = $code;
        if ($reasonPhrase == '' && isset(self::PHRASES[$new->statusCode])) {
            $reasonPhrase = self::PHRASES[$new->statusCode];
        }
        $new->reasonPhrase = (string) $reasonPhrase;

        return $new;
    }

    /**
     * @param mixed $statusCode
     */
    private function assertStatusCodeIsInteger($statusCode): void
    {
        if (filter_var($statusCode, FILTER_VALIDATE_INT) === false) {
            throw new \InvalidArgumentException('Status code must be an integer value.');
        }
    }

    private function assertStatusCodeRange(int $statusCode): void
    {
        if ($statusCode < 100 || $statusCode >= 600) {
            throw new \InvalidArgumentException('Status code must be an integer value between 1xx and 5xx.');
        }
    }
}

• [D] Exception
• [F] AppendStream.php
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• [F] BufferStream.php
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• [F] CachingStream.php
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• [F] DroppingStream.php
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• [F] FnStream.php
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• [F] Header.php
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• [F] HttpFactory.php
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• [F] InflateStream.php
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• [F] LazyOpenStream.php
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• [F] LimitStream.php
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• [F] Message.php
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• [F] MessageTrait.php
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• [F] MimeType.php
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• [F] MultipartStream.php
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• [F] NoSeekStream.php
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• [F] PumpStream.php
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• [F] Query.php
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• [F] Request.php
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• [F] Response.php
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• [F] Rfc7230.php
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• [F] ServerRequest.php
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• [F] Stream.php
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• [F] StreamDecoratorTrait.php
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• [F] StreamWrapper.php
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• [F] UploadedFile.php
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• [F] Uri.php
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• [F] UriComparator.php
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• [F] UriNormalizer.php
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• [F] UriResolver.php
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• [F] Utils.php
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About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard