Developer
<?php
namespace Psr\SimpleCache;
interface CacheInterface
{
/**
* Fetches a value from the cache.
*
* @param string $key The unique key of this item in the cache.
* @param mixed $default Default value to return if the key does not exist.
*
* @return mixed The value of the item from the cache, or $default in case of cache miss.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function get(string $key, mixed $default = null): mixed;
/**
* Persists data in the cache, uniquely referenced by a key with an optional expiration TTL time.
*
* @param string $key The key of the item to store.
* @param mixed $value The value of the item to store, must be serializable.
* @param null|int|\DateInterval $ttl Optional. The TTL value of this item. If no value is sent and
* the driver supports TTL then the library may set a default value
* for it or let the driver take care of that.
*
* @return bool True on success and false on failure.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function set(string $key, mixed $value, null|int|\DateInterval $ttl = null): bool;
/**
* Delete an item from the cache by its unique key.
*
* @param string $key The unique cache key of the item to delete.
*
* @return bool True if the item was successfully removed. False if there was an error.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function delete(string $key): bool;
/**
* Wipes clean the entire cache's keys.
*
* @return bool True on success and false on failure.
*/
public function clear(): bool;
/**
* Obtains multiple cache items by their unique keys.
*
* @param iterable<string> $keys A list of keys that can be obtained in a single operation.
* @param mixed $default Default value to return for keys that do not exist.
*
* @return iterable<string, mixed> A list of key => value pairs. Cache keys that do not exist or are stale will have $default as value.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if $keys is neither an array nor a Traversable,
* or if any of the $keys are not a legal value.
*/
public function getMultiple(iterable $keys, mixed $default = null): iterable;
/**
* Persists a set of key => value pairs in the cache, with an optional TTL.
*
* @param iterable $values A list of key => value pairs for a multiple-set operation.
* @param null|int|\DateInterval $ttl Optional. The TTL value of this item. If no value is sent and
* the driver supports TTL then the library may set a default value
* for it or let the driver take care of that.
*
* @return bool True on success and false on failure.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if $values is neither an array nor a Traversable,
* or if any of the $values are not a legal value.
*/
public function setMultiple(iterable $values, null|int|\DateInterval $ttl = null): bool;
/**
* Deletes multiple cache items in a single operation.
*
* @param iterable<string> $keys A list of string-based keys to be deleted.
*
* @return bool True if the items were successfully removed. False if there was an error.
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if $keys is neither an array nor a Traversable,
* or if any of the $keys are not a legal value.
*/
public function deleteMultiple(iterable $keys): bool;
/**
* Determines whether an item is present in the cache.
*
* NOTE: It is recommended that has() is only to be used for cache warming type purposes
* and not to be used within your live applications operations for get/set, as this method
* is subject to a race condition where your has() will return true and immediately after,
* another script can remove it making the state of your app out of date.
*
* @param string $key The cache item key.
*
* @return bool
*
* @throws \Psr\SimpleCache\InvalidArgumentException
* MUST be thrown if the $key string is not a legal value.
*/
public function has(string $key): bool;
}
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"
}