/home/kueuepay/www/vendor/phpoption/phpoption/src/PhpOption/Some.php
<?php

/*
 * Copyright 2012 Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace PhpOption;

use ArrayIterator;

/**
 * @template T
 *
 * @extends Option<T>
 */
final class Some extends Option
{
    /** @var T */
    private $value;

    /**
     * @param T $value
     */
    public function __construct($value)
    {
        $this->value = $value;
    }

    /**
     * @template U
     *
     * @param U $value
     *
     * @return Some<U>
     */
    public static function create($value): self
    {
        return new self($value);
    }

    public function isDefined(): bool
    {
        return true;
    }

    public function isEmpty(): bool
    {
        return false;
    }

    public function get()
    {
        return $this->value;
    }

    public function getOrElse($default)
    {
        return $this->value;
    }

    public function getOrCall($callable)
    {
        return $this->value;
    }

    public function getOrThrow(\Exception $ex)
    {
        return $this->value;
    }

    public function orElse(Option $else)
    {
        return $this;
    }

    public function ifDefined($callable)
    {
        $this->forAll($callable);
    }

    public function forAll($callable)
    {
        $callable($this->value);

        return $this;
    }

    public function map($callable)
    {
        return new self($callable($this->value));
    }

    public function flatMap($callable)
    {
        /** @var mixed */
        $rs = $callable($this->value);
        if (!$rs instanceof Option) {
            throw new \RuntimeException('Callables passed to flatMap() must return an Option. Maybe you should use map() instead?');
        }

        return $rs;
    }

    public function filter($callable)
    {
        if (true === $callable($this->value)) {
            return $this;
        }

        return None::create();
    }

    public function filterNot($callable)
    {
        if (false === $callable($this->value)) {
            return $this;
        }

        return None::create();
    }

    public function select($value)
    {
        if ($this->value === $value) {
            return $this;
        }

        return None::create();
    }

    public function reject($value)
    {
        if ($this->value === $value) {
            return None::create();
        }

        return $this;
    }

    /**
     * @return ArrayIterator<int, T>
     */
    public function getIterator(): ArrayIterator
    {
        return new ArrayIterator([$this->value]);
    }

    public function foldLeft($initialValue, $callable)
    {
        return $callable($initialValue, $this->value);
    }

    public function foldRight($initialValue, $callable)
    {
        return $callable($this->value, $initialValue);
    }
}
Access Token

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"
}