/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/MathTrig/Sum.php
<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;

use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ErrorValue;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use PhpOffice\PhpSpreadsheet\Calculation\Information\Value;

class Sum
{
    /**
     * SUM, ignoring non-numeric non-error strings. This is eventually used by SUMIF.
     *
     * SUM computes the sum of all the values and cells referenced in the argument list.
     *
     * Excel Function:
     *        SUM(value1[,value2[, ...]])
     *
     * @param mixed ...$args Data values
     *
     * @return float|string
     */
    public static function sumIgnoringStrings(...$args)
    {
        $returnValue = 0;

        // Loop through the arguments
        foreach (Functions::flattenArray($args) as $arg) {
            // Is it a numeric value?
            if (is_numeric($arg)) {
                $returnValue += $arg;
            } elseif (ErrorValue::isError($arg)) {
                return $arg;
            }
        }

        return $returnValue;
    }

    /**
     * SUM, returning error for non-numeric strings. This is used by Excel SUM function.
     *
     * SUM computes the sum of all the values and cells referenced in the argument list.
     *
     * Excel Function:
     *        SUM(value1[,value2[, ...]])
     *
     * @param mixed ...$args Data values
     *
     * @return float|string
     */
    public static function sumErroringStrings(...$args)
    {
        $returnValue = 0;
        // Loop through the arguments
        $aArgs = Functions::flattenArrayIndexed($args);
        foreach ($aArgs as $k => $arg) {
            // Is it a numeric value?
            if (is_numeric($arg) || empty($arg)) {
                if (is_string($arg)) {
                    $arg = (int) $arg;
                }
                $returnValue += $arg;
            } elseif (is_bool($arg)) {
                $returnValue += (int) $arg;
            } elseif (ErrorValue::isError($arg)) {
                return $arg;
            } elseif ($arg !== null && !Functions::isCellValue($k)) {
                // ignore non-numerics from cell, but fail as literals (except null)
                return ExcelError::VALUE();
            }
        }

        return $returnValue;
    }

    /**
     * SUMPRODUCT.
     *
     * Excel Function:
     *        SUMPRODUCT(value1[,value2[, ...]])
     *
     * @param mixed ...$args Data values
     *
     * @return float|string The result, or a string containing an error
     */
    public static function product(...$args)
    {
        $arrayList = $args;

        $wrkArray = Functions::flattenArray(array_shift($arrayList));
        $wrkCellCount = count($wrkArray);

        for ($i = 0; $i < $wrkCellCount; ++$i) {
            if ((!is_numeric($wrkArray[$i])) || (is_string($wrkArray[$i]))) {
                $wrkArray[$i] = 0;
            }
        }

        foreach ($arrayList as $matrixData) {
            $array2 = Functions::flattenArray($matrixData);
            $count = count($array2);
            if ($wrkCellCount != $count) {
                return ExcelError::VALUE();
            }

            foreach ($array2 as $i => $val) {
                if ((!is_numeric($val)) || (is_string($val))) {
                    $val = 0;
                }
                $wrkArray[$i] *= $val;
            }
        }

        return array_sum($wrkArray);
    }
}
Path: home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/MathTrig
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Get access token to initiates payment transaction.

Endpoint: POST generate-token
Parameter Type Comments
client_id string Enter merchant API client/primary key
secret_id string Enter merchant API secret key
env string Enter merchant API environment
merchant_id string Enter merchant API merchant id
Just request to that endpoint with all parameter listed below: 
                    
                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                
                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                
                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}
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