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

declare(strict_types=1);

namespace GuzzleHttp\Psr7;

final class Header
{
    /**
     * Parse an array of header values containing ";" separated data into an
     * array of associative arrays representing the header key value pair data
     * of the header. When a parameter does not contain a value, but just
     * contains a key, this function will inject a key with a '' string value.
     *
     * @param string|array $header Header to parse into components.
     */
    public static function parse($header): array
    {
        static $trimmed = "\"'  \n\t\r";
        $params = $matches = [];

        foreach ((array) $header as $value) {
            foreach (self::splitList($value) as $val) {
                $part = [];
                foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) ?: [] as $kvp) {
                    if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
                        $m = $matches[0];
                        if (isset($m[1])) {
                            $part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
                        } else {
                            $part[] = trim($m[0], $trimmed);
                        }
                    }
                }
                if ($part) {
                    $params[] = $part;
                }
            }
        }

        return $params;
    }

    /**
     * Converts an array of header values that may contain comma separated
     * headers into an array of headers with no comma separated values.
     *
     * @param string|array $header Header to normalize.
     *
     * @deprecated Use self::splitList() instead.
     */
    public static function normalize($header): array
    {
        $result = [];
        foreach ((array) $header as $value) {
            foreach (self::splitList($value) as $parsed) {
                $result[] = $parsed;
            }
        }

        return $result;
    }

    /**
     * Splits a HTTP header defined to contain a comma-separated list into
     * each individual value. Empty values will be removed.
     *
     * Example headers include 'accept', 'cache-control' and 'if-none-match'.
     *
     * This method must not be used to parse headers that are not defined as
     * a list, such as 'user-agent' or 'set-cookie'.
     *
     * @param string|string[] $values Header value as returned by MessageInterface::getHeader()
     *
     * @return string[]
     */
    public static function splitList($values): array
    {
        if (!\is_array($values)) {
            $values = [$values];
        }

        $result = [];
        foreach ($values as $value) {
            if (!\is_string($value)) {
                throw new \TypeError('$header must either be a string or an array containing strings.');
            }

            $v = '';
            $isQuoted = false;
            $isEscaped = false;
            for ($i = 0, $max = \strlen($value); $i < $max; ++$i) {
                if ($isEscaped) {
                    $v .= $value[$i];
                    $isEscaped = false;

                    continue;
                }

                if (!$isQuoted && $value[$i] === ',') {
                    $v = \trim($v);
                    if ($v !== '') {
                        $result[] = $v;
                    }

                    $v = '';
                    continue;
                }

                if ($isQuoted && $value[$i] === '\\') {
                    $isEscaped = true;
                    $v .= $value[$i];

                    continue;
                }
                if ($value[$i] === '"') {
                    $isQuoted = !$isQuoted;
                    $v .= $value[$i];

                    continue;
                }

                $v .= $value[$i];
            }

            $v = \trim($v);
            if ($v !== '') {
                $result[] = $v;
            }
        }

        return $result;
    }
}
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