<?php namespace PhpOffice\PhpSpreadsheet\Writer; use PhpOffice\PhpSpreadsheet\Spreadsheet; interface IWriter { public const SAVE_WITH_CHARTS = 1; public const DISABLE_PRECALCULATE_FORMULAE = 2; /** * IWriter constructor. * * @param Spreadsheet $spreadsheet The spreadsheet that we want to save using this Writer */ public function __construct(Spreadsheet $spreadsheet); /** * Write charts in workbook? * If this is true, then the Writer will write definitions for any charts that exist in the PhpSpreadsheet object. * If false (the default) it will ignore any charts defined in the PhpSpreadsheet object. * * @return bool */ public function getIncludeCharts(); /** * Set write charts in workbook * Set to true, to advise the Writer to include any charts that exist in the PhpSpreadsheet object. * Set to false (the default) to ignore charts. * * @param bool $includeCharts * * @return IWriter */ public function setIncludeCharts($includeCharts); /** * Get Pre-Calculate Formulas flag * If this is true (the default), then the writer will recalculate all formulae in a workbook when saving, * so that the pre-calculated values are immediately available to MS Excel or other office spreadsheet * viewer when opening the file * If false, then formulae are not calculated on save. This is faster for saving in PhpSpreadsheet, but slower * when opening the resulting file in MS Excel, because Excel has to recalculate the formulae itself. * * @return bool */ public function getPreCalculateFormulas(); /** * Set Pre-Calculate Formulas * Set to true (the default) to advise the Writer to calculate all formulae on save * Set to false to prevent precalculation of formulae on save. * * @param bool $precalculateFormulas Pre-Calculate Formulas? * * @return IWriter */ public function setPreCalculateFormulas($precalculateFormulas); /** * Save PhpSpreadsheet to file. * * @param resource|string $filename Name of the file to save * @param int $flags Flags that can change the behaviour of the Writer: * self::SAVE_WITH_CHARTS Save any charts that are defined (if the Writer supports Charts) * self::DISABLE_PRECALCULATE_FORMULAE Don't Precalculate formulae before saving the file * * @throws Exception */ public function save($filename, int $flags = 0): void; /** * Get use disk caching where possible? * * @return bool */ public function getUseDiskCaching(); /** * Set use disk caching where possible? * * @param bool $useDiskCache * @param string $cacheDirectory Disk caching directory * * @return IWriter */ public function setUseDiskCaching($useDiskCache, $cacheDirectory = null); /** * Get disk caching directory. * * @return string */ public function getDiskCachingDirectory(); }

Get Access Token

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"
                        
}