/home/kueuepay/public_html/vendor/fakerphp/faker/src/Faker/Calculator/Iban.php
<?php

namespace Faker\Calculator;

class Iban
{
    /**
     * Generates IBAN Checksum
     *
     * @return string Checksum (numeric string)
     */
    public static function checksum(string $iban)
    {
        // Move first four digits to end and set checksum to '00'
        $checkString = substr($iban, 4) . substr($iban, 0, 2) . '00';

        // Replace all letters with their number equivalents
        $checkString = preg_replace_callback(
            '/[A-Z]/',
            static function (array $matches): string {
                return (string) self::alphaToNumber($matches[0]);
            },
            $checkString,
        );

        // Perform mod 97 and subtract from 98
        $checksum = 98 - self::mod97($checkString);

        return str_pad($checksum, 2, '0', STR_PAD_LEFT);
    }

    /**
     * Converts letter to number
     *
     * @return int
     */
    public static function alphaToNumber(string $char)
    {
        return ord($char) - 55;
    }

    /**
     * Calculates mod97 on a numeric string
     *
     * @param string $number Numeric string
     *
     * @return int
     */
    public static function mod97(string $number)
    {
        $checksum = (int) $number[0];

        for ($i = 1, $size = strlen($number); $i < $size; ++$i) {
            $checksum = (10 * $checksum + (int) $number[$i]) % 97;
        }

        return $checksum;
    }

    /**
     * Checks whether an IBAN has a valid checksum
     *
     * @return bool
     */
    public static function isValid(string $iban)
    {
        return self::checksum($iban) === substr($iban, 2, 2);
    }
}
Initiate Payment

Initiate Payment

Initiates a new payment transaction.

Endpoint: POST create-order
Parameter Type Details
amount decimal Your Amount , Must be rounded at 2 precision.
currency string Currency Code, Must be in Upper Case (Alpha-3 code)
success_url string Enter your return or success URL
cancel_url string (optional) Enter your cancel or failed URL
                    
                        Request Example (guzzle)
                        

<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('POST', $base_url.'create-order', [
'headers' => [
  'Authorization' => 'Bearer '. $authorizationToken,
  'accept' => 'application/json',
  'content-type' => 'application/json',
 ],
'form_params' => [
  'amount' => '$amount',
  'currency' => 'currency',
  'success_url' => 'success_url',
  'cancel_url' => 'cancel_url',
 ],
]);
echo $response->getBody();
                    
                        
**Response: SUCCESS (200 OK)**
{
 "message": {
 "success": [
  "Order created successfully."
 ]
},
"data": {
 "redirect_url":"https://example.com/login/OISADFDFSDFSF",
 "order_details":{
 "amount" : "10",
 "fixed_charge" : 2,
 "percent_charge" : 1,
 "total_charge" : 3,
 "total_payable" : 13,
 "currency" : "USD",
 "expiry_time": "2024-04-25T06:48:35.984285Z",
 "success_url": "http://127.0.0.1/nfcpay/user/transaction/success",
 "cancel_url": "http://127.0.0.1/nfcpay/user/transaction/cancel"
}
},
"type": "success"
}
                    
                        
**Response: ERROR (400 FAILED)**
{
 "message": {
 "error": [
  "Invalid token."
 ]
},
"data": null,
"type": "error"
}