/home/kueuepay/public_html/vendor/guzzlehttp/guzzle/src/TransferStats.php
<?php

namespace GuzzleHttp;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * Represents data at the point after it was transferred either successfully
 * or after a network error.
 */
final class TransferStats
{
    /**
     * @var RequestInterface
     */
    private $request;

    /**
     * @var ResponseInterface|null
     */
    private $response;

    /**
     * @var float|null
     */
    private $transferTime;

    /**
     * @var array
     */
    private $handlerStats;

    /**
     * @var mixed|null
     */
    private $handlerErrorData;

    /**
     * @param RequestInterface       $request          Request that was sent.
     * @param ResponseInterface|null $response         Response received (if any)
     * @param float|null             $transferTime     Total handler transfer time.
     * @param mixed                  $handlerErrorData Handler error data.
     * @param array                  $handlerStats     Handler specific stats.
     */
    public function __construct(
        RequestInterface $request,
        ResponseInterface $response = null,
        float $transferTime = null,
        $handlerErrorData = null,
        array $handlerStats = []
    ) {
        $this->request = $request;
        $this->response = $response;
        $this->transferTime = $transferTime;
        $this->handlerErrorData = $handlerErrorData;
        $this->handlerStats = $handlerStats;
    }

    public function getRequest(): RequestInterface
    {
        return $this->request;
    }

    /**
     * Returns the response that was received (if any).
     */
    public function getResponse(): ?ResponseInterface
    {
        return $this->response;
    }

    /**
     * Returns true if a response was received.
     */
    public function hasResponse(): bool
    {
        return $this->response !== null;
    }

    /**
     * Gets handler specific error data.
     *
     * This might be an exception, a integer representing an error code, or
     * anything else. Relying on this value assumes that you know what handler
     * you are using.
     *
     * @return mixed
     */
    public function getHandlerErrorData()
    {
        return $this->handlerErrorData;
    }

    /**
     * Get the effective URI the request was sent to.
     */
    public function getEffectiveUri(): UriInterface
    {
        return $this->request->getUri();
    }

    /**
     * Get the estimated time the request was being transferred by the handler.
     *
     * @return float|null Time in seconds.
     */
    public function getTransferTime(): ?float
    {
        return $this->transferTime;
    }

    /**
     * Gets an array of all of the handler specific transfer data.
     */
    public function getHandlerStats(): array
    {
        return $this->handlerStats;
    }

    /**
     * Get a specific handler statistic from the handler by name.
     *
     * @param string $stat Handler specific transfer stat to retrieve.
     *
     * @return mixed|null
     */
    public function getHandlerStat(string $stat)
    {
        return $this->handlerStats[$stat] ?? null;
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.