<?php
declare(strict_types=1);
namespace GuzzleHttp\Psr7;
final class Query
{
/**
* Parse a query string into an associative array.
*
* If multiple values are found for the same key, the value of that key
* value pair will become an array. This function does not parse nested
* PHP style arrays into an associative array (e.g., `foo[a]=1&foo[b]=2`
* will be parsed into `['foo[a]' => '1', 'foo[b]' => '2'])`.
*
* @param string $str Query string to parse
* @param int|bool $urlEncoding How the query string is encoded
*/
public static function parse(string $str, $urlEncoding = true): array
{
$result = [];
if ($str === '') {
return $result;
}
if ($urlEncoding === true) {
$decoder = function ($value) {
return rawurldecode(str_replace('+', ' ', (string) $value));
};
} elseif ($urlEncoding === PHP_QUERY_RFC3986) {
$decoder = 'rawurldecode';
} elseif ($urlEncoding === PHP_QUERY_RFC1738) {
$decoder = 'urldecode';
} else {
$decoder = function ($str) {
return $str;
};
}
foreach (explode('&', $str) as $kvp) {
$parts = explode('=', $kvp, 2);
$key = $decoder($parts[0]);
$value = isset($parts[1]) ? $decoder($parts[1]) : null;
if (!array_key_exists($key, $result)) {
$result[$key] = $value;
} else {
if (!is_array($result[$key])) {
$result[$key] = [$result[$key]];
}
$result[$key][] = $value;
}
}
return $result;
}
/**
* Build a query string from an array of key value pairs.
*
* This function can use the return value of `parse()` to build a query
* string. This function does not modify the provided keys when an array is
* encountered (like `http_build_query()` would).
*
* @param array $params Query string parameters.
* @param int|false $encoding Set to false to not encode, PHP_QUERY_RFC3986
* to encode using RFC3986, or PHP_QUERY_RFC1738
* to encode using RFC1738.
*/
public static function build(array $params, $encoding = PHP_QUERY_RFC3986): string
{
if (!$params) {
return '';
}
if ($encoding === false) {
$encoder = function (string $str): string {
return $str;
};
} elseif ($encoding === PHP_QUERY_RFC3986) {
$encoder = 'rawurlencode';
} elseif ($encoding === PHP_QUERY_RFC1738) {
$encoder = 'urlencode';
} else {
throw new \InvalidArgumentException('Invalid type');
}
$qs = '';
foreach ($params as $k => $v) {
$k = $encoder((string) $k);
if (!is_array($v)) {
$qs .= $k;
$v = is_bool($v) ? (int) $v : $v;
if ($v !== null) {
$qs .= '='.$encoder((string) $v);
}
$qs .= '&';
} else {
foreach ($v as $vv) {
$qs .= $k;
$vv = is_bool($vv) ? (int) $vv : $vv;
if ($vv !== null) {
$qs .= '='.$encoder((string) $vv);
}
$qs .= '&';
}
}
}
return $qs ? (string) substr($qs, 0, -1) : '';
}
}
To access the Kueue Pay Developer API, you’ll need an API key. You can obtain your API key by logging in to your Kueue Pay merchant account and navigating to the API section. Collect Client ID , Secret ID & Merchant ID Carefully. Keep your API key confidential and do not share it publicly.