<?php

namespace Matrix\Operators;

use Matrix\Matrix;
use \Matrix\Builder;
use Matrix\Exception;
use Throwable;

class Multiplication extends Operator
{
    /**
     * Execute the multiplication
     *
     * @param mixed $value The matrix or numeric value to multiply the current base value by
     * @throws Exception If the provided argument is not appropriate for the operation
     * @return $this The operation object, allowing multiple multiplications to be chained
     **/
    public function execute($value, string $type = 'multiplication'): Operator
    {
        if (is_array($value)) {
            $value = new Matrix($value);
        }

        if (is_object($value) && ($value instanceof Matrix)) {
            return $this->multiplyMatrix($value, $type);
        } elseif (is_numeric($value)) {
            return $this->multiplyScalar($value, $type);
        }

        throw new Exception("Invalid argument for $type");
    }

    /**
     * Execute the multiplication for a scalar
     *
     * @param mixed $value The numeric value to multiply with the current base value
     * @return $this The operation object, allowing multiple mutiplications to be chained
     **/
    protected function multiplyScalar($value, string $type = 'multiplication'): Operator
    {
        try {
            for ($row = 0; $row < $this->rows; ++$row) {
                for ($column = 0; $column < $this->columns; ++$column) {
                    $this->matrix[$row][$column] *= $value;
                }
            }
        } catch (Throwable $e) {
            throw new Exception("Invalid argument for $type");
        }

        return $this;
    }

    /**
     * Execute the multiplication for a matrix
     *
     * @param Matrix $value The numeric value to multiply with the current base value
     * @return $this The operation object, allowing multiple mutiplications to be chained
     * @throws Exception If the provided argument is not appropriate for the operation
     **/
    protected function multiplyMatrix(Matrix $value, string $type = 'multiplication'): Operator
    {
        $this->validateReflectingDimensions($value);

        $newRows = $this->rows;
        $newColumns = $value->columns;
        $matrix = Builder::createFilledMatrix(0, $newRows, $newColumns)
            ->toArray();
        try {
            for ($row = 0; $row < $newRows; ++$row) {
                for ($column = 0; $column < $newColumns; ++$column) {
                    $columnData = $value->getColumns($column + 1)->toArray();
                    foreach ($this->matrix[$row] as $key => $valueData) {
                        $matrix[$row][$column] += $valueData * $columnData[$key][0];
                    }
                }
            }
        } catch (Throwable $e) {
            throw new Exception("Invalid argument for $type");
        }
        $this->matrix = $matrix;

        return $this;
    }
}

• [F] Addition.php
  Delete
• [F] DirectSum.php
  Delete
• [F] Division.php
  Delete
• [F] Multiplication.php
  Delete
• [F] Operator.php
  Delete
• [F] Subtraction.php
  Delete

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                        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"
                        
}