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

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Reads from multiple streams, one after the other.
 *
 * This is a read-only stream decorator.
 */
final class AppendStream implements StreamInterface
{
    /** @var StreamInterface[] Streams being decorated */
    private $streams = [];

    /** @var bool */
    private $seekable = true;

    /** @var int */
    private $current = 0;

    /** @var int */
    private $pos = 0;

    /**
     * @param StreamInterface[] $streams Streams to decorate. Each stream must
     *                                   be readable.
     */
    public function __construct(array $streams = [])
    {
        foreach ($streams as $stream) {
            $this->addStream($stream);
        }
    }

    public function __toString(): string
    {
        try {
            $this->rewind();

            return $this->getContents();
        } catch (\Throwable $e) {
            if (\PHP_VERSION_ID >= 70400) {
                throw $e;
            }
            trigger_error(sprintf('%s::__toString exception: %s', self::class, (string) $e), E_USER_ERROR);

            return '';
        }
    }

    /**
     * Add a stream to the AppendStream
     *
     * @param StreamInterface $stream Stream to append. Must be readable.
     *
     * @throws \InvalidArgumentException if the stream is not readable
     */
    public function addStream(StreamInterface $stream): void
    {
        if (!$stream->isReadable()) {
            throw new \InvalidArgumentException('Each stream must be readable');
        }

        // The stream is only seekable if all streams are seekable
        if (!$stream->isSeekable()) {
            $this->seekable = false;
        }

        $this->streams[] = $stream;
    }

    public function getContents(): string
    {
        return Utils::copyToString($this);
    }

    /**
     * Closes each attached stream.
     */
    public function close(): void
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

        foreach ($this->streams as $stream) {
            $stream->close();
        }

        $this->streams = [];
    }

    /**
     * Detaches each attached stream.
     *
     * Returns null as it's not clear which underlying stream resource to return.
     */
    public function detach()
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

        foreach ($this->streams as $stream) {
            $stream->detach();
        }

        $this->streams = [];

        return null;
    }

    public function tell(): int
    {
        return $this->pos;
    }

    /**
     * Tries to calculate the size by adding the size of each stream.
     *
     * If any of the streams do not return a valid number, then the size of the
     * append stream cannot be determined and null is returned.
     */
    public function getSize(): ?int
    {
        $size = 0;

        foreach ($this->streams as $stream) {
            $s = $stream->getSize();
            if ($s === null) {
                return null;
            }
            $size += $s;
        }

        return $size;
    }

    public function eof(): bool
    {
        return !$this->streams
            || ($this->current >= count($this->streams) - 1
             && $this->streams[$this->current]->eof());
    }

    public function rewind(): void
    {
        $this->seek(0);
    }

    /**
     * Attempts to seek to the given position. Only supports SEEK_SET.
     */
    public function seek($offset, $whence = SEEK_SET): void
    {
        if (!$this->seekable) {
            throw new \RuntimeException('This AppendStream is not seekable');
        } elseif ($whence !== SEEK_SET) {
            throw new \RuntimeException('The AppendStream can only seek with SEEK_SET');
        }

        $this->pos = $this->current = 0;

        // Rewind each stream
        foreach ($this->streams as $i => $stream) {
            try {
                $stream->rewind();
            } catch (\Exception $e) {
                throw new \RuntimeException('Unable to seek stream '
                    .$i.' of the AppendStream', 0, $e);
            }
        }

        // Seek to the actual position by reading from each stream
        while ($this->pos < $offset && !$this->eof()) {
            $result = $this->read(min(8096, $offset - $this->pos));
            if ($result === '') {
                break;
            }
        }
    }

    /**
     * Reads from all of the appended streams until the length is met or EOF.
     */
    public function read($length): string
    {
        $buffer = '';
        $total = count($this->streams) - 1;
        $remaining = $length;
        $progressToNext = false;

        while ($remaining > 0) {
            // Progress to the next stream if needed.
            if ($progressToNext || $this->streams[$this->current]->eof()) {
                $progressToNext = false;
                if ($this->current === $total) {
                    break;
                }
                ++$this->current;
            }

            $result = $this->streams[$this->current]->read($remaining);

            if ($result === '') {
                $progressToNext = true;
                continue;
            }

            $buffer .= $result;
            $remaining = $length - strlen($buffer);
        }

        $this->pos += strlen($buffer);

        return $buffer;
    }

    public function isReadable(): bool
    {
        return true;
    }

    public function isWritable(): bool
    {
        return false;
    }

    public function isSeekable(): bool
    {
        return $this->seekable;
    }

    public function write($string): int
    {
        throw new \RuntimeException('Cannot write to an AppendStream');
    }

    /**
     * @return mixed
     */
    public function getMetadata($key = null)
    {
        return $key ? null : [];
    }
}
Path: home/kueuepay/public_html/vendor/guzzlehttp/psr7/src
Payment System
top

How To Payment

Simple Steps to Complete Your Payment Securely and Efficiently

Making a payment on our website is quick and secure. Start by logging in or creating an account. Select your preferred payment method, input the required details, and review the information. Once you confirm everything is correct, click on the "Submit Payment" button. You’ll receive instant confirmation and can track your payment status through your account dashboard. It’s an easy and secure process.

  • Go to the Payment Section: Access the payment area on our website or app.
  • Choose Your Payment Method: Select your preferred payment option.
  • Enter Payment Details: Provide the necessary payment information.
  • Verify Your Information: Check that all details are correct.
  • Confirm Your Payment: Click "Submit Payment" to complete the transaction.
img

In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy