Developer
<?php
namespace Matrix\Operators;
use Matrix\Matrix;
use Matrix\Exception;
class Subtraction extends Operator
{
/**
* Execute the subtraction
*
* @param mixed $value The matrix or numeric value to subtract from the current base value
* @throws Exception If the provided argument is not appropriate for the operation
* @return $this The operation object, allowing multiple subtractions to be chained
**/
public function execute($value): Operator
{
if (is_array($value)) {
$value = new Matrix($value);
}
if (is_object($value) && ($value instanceof Matrix)) {
return $this->subtractMatrix($value);
} elseif (is_numeric($value)) {
return $this->subtractScalar($value);
}
throw new Exception('Invalid argument for subtraction');
}
/**
* Execute the subtraction for a scalar
*
* @param mixed $value The numeric value to subtracted from the current base value
* @return $this The operation object, allowing multiple additions to be chained
**/
protected function subtractScalar($value): Operator
{
for ($row = 0; $row < $this->rows; ++$row) {
for ($column = 0; $column < $this->columns; ++$column) {
$this->matrix[$row][$column] -= $value;
}
}
return $this;
}
/**
* Execute the subtraction for a matrix
*
* @param Matrix $value The numeric value to subtract from the current base value
* @return $this The operation object, allowing multiple subtractions to be chained
* @throws Exception If the provided argument is not appropriate for the operation
**/
protected function subtractMatrix(Matrix $value): Operator
{
$this->validateMatchingDimensions($value);
for ($row = 0; $row < $this->rows; ++$row) {
for ($column = 0; $column < $this->columns; ++$column) {
$this->matrix[$row][$column] -= $value->getValue($row + 1, $column + 1);
}
}
return $this;
}
}
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"
}