Developer
<?php
namespace GuzzleHttp;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\EachPromise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Promise\PromisorInterface;
use Psr\Http\Message\RequestInterface;
/**
* Sends an iterator of requests concurrently using a capped pool size.
*
* The pool will read from an iterator until it is cancelled or until the
* iterator is consumed. When a request is yielded, the request is sent after
* applying the "request_options" request options (if provided in the ctor).
*
* When a function is yielded by the iterator, the function is provided the
* "request_options" array that should be merged on top of any existing
* options, and the function MUST then return a wait-able promise.
*
* @final
*/
class Pool implements PromisorInterface
{
/**
* @var EachPromise
*/
private $each;
/**
* @param ClientInterface $client Client used to send the requests.
* @param array|\Iterator $requests Requests or functions that return
* requests to send concurrently.
* @param array $config Associative array of options
* - concurrency: (int) Maximum number of requests to send concurrently
* - options: Array of request options to apply to each request.
* - fulfilled: (callable) Function to invoke when a request completes.
* - rejected: (callable) Function to invoke when a request is rejected.
*/
public function __construct(ClientInterface $client, $requests, array $config = [])
{
if (!isset($config['concurrency'])) {
$config['concurrency'] = 25;
}
if (isset($config['options'])) {
$opts = $config['options'];
unset($config['options']);
} else {
$opts = [];
}
$iterable = P\Create::iterFor($requests);
$requests = static function () use ($iterable, $client, $opts) {
foreach ($iterable as $key => $rfn) {
if ($rfn instanceof RequestInterface) {
yield $key => $client->sendAsync($rfn, $opts);
} elseif (\is_callable($rfn)) {
yield $key => $rfn($opts);
} else {
throw new \InvalidArgumentException('Each value yielded by the iterator must be a Psr7\Http\Message\RequestInterface or a callable that returns a promise that fulfills with a Psr7\Message\Http\ResponseInterface object.');
}
}
};
$this->each = new EachPromise($requests(), $config);
}
/**
* Get promise
*/
public function promise(): PromiseInterface
{
return $this->each->promise();
}
/**
* Sends multiple requests concurrently and returns an array of responses
* and exceptions that uses the same ordering as the provided requests.
*
* IMPORTANT: This method keeps every request and response in memory, and
* as such, is NOT recommended when sending a large number or an
* indeterminate number of requests concurrently.
*
* @param ClientInterface $client Client used to send the requests
* @param array|\Iterator $requests Requests to send concurrently.
* @param array $options Passes through the options available in
* {@see \GuzzleHttp\Pool::__construct}
*
* @return array Returns an array containing the response or an exception
* in the same order that the requests were sent.
*
* @throws \InvalidArgumentException if the event format is incorrect.
*/
public static function batch(ClientInterface $client, $requests, array $options = []): array
{
$res = [];
self::cmpCallback($options, 'fulfilled', $res);
self::cmpCallback($options, 'rejected', $res);
$pool = new static($client, $requests, $options);
$pool->promise()->wait();
\ksort($res);
return $res;
}
/**
* Execute callback(s)
*/
private static function cmpCallback(array &$options, string $name, array &$results): void
{
if (!isset($options[$name])) {
$options[$name] = static function ($v, $k) use (&$results) {
$results[$k] = $v;
};
} else {
$currentFn = $options[$name];
$options[$name] = static function ($v, $k) use (&$results, $currentFn) {
$currentFn($v, $k);
$results[$k] = $v;
};
}
}
}
Developer
Get access token to initiates payment transaction.
| 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 |
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":"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
IyZmQzNDY1IiwidGFnIjoiIn0=",
},
"type": "success"
}
**Response: ERROR (400 FAILED)**
{
"message": {
"error": [
"Invalid credentials."
]
},
"data": null,
"type": "error"
}