CodeIgniter 3.x Paypal Rest API Authorize Capture Wrapper

Paypal Rest API Codeigniter

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

require_once(BASEPATH . '../application/libraries/PayPal-PHP-SDK/autoload.php');

use PayPal\Rest\ApiContext;
use PayPal\Auth\OAuthTokenCredential;
use PayPal\Api\Capture;
use PayPal\Api\Authorization;
use PayPal\Api\Amount;
use PayPal\Exception\PayPalConnectionException;

class Paypal_wrapper {

    private $debug = false;
    private $sandbox = true;

    private $productionClientID =  "";
    private $productionClientSecret =  "";
    
    private $sandboxClientID =  "";
    private $sandboxClientSecret =  "";
    
    protected $apiContext = null;

    public function __construct()
    {
    	if($this->sandbox)
    	{
    		$clientID = $this->sandboxClientID;
    		$clientSecret = $this->sandboxClientSecret;
    	}
    	else
    	{
    		$clientID = $this->productionClientID;
    		$clientSecret = $this->productionClientSecret;
    	}

    	$this->apiContext = new ApiContext(
		    new OAuthTokenCredential(
		        $clientID,
		        $clientSecret 
		    )
		);
    }

    public function capture_payment($paymentAmount,$authID,$final=true)
    {
    	$amount = new Amount();
		  $amount->setCurrency("USD");
		  $amount->setTotal(number_format($paymentAmount, 2, '.', ''));

		  $captur = new Capture();
		  $captur->setId($authID);
		  $captur->setAmount($amount);
      $captur->setIsFinalCapture($final);

      $response = new StdClass();
        
      //Catches invalid authIDs and captured authIDs
      try 
      {
        $authorization = Authorization::get($authID, $this->apiContext);
		
        $capt = $authorization->capture($captur, $this->apiContext);

        $response->captureID = $capt->getId();

        $response->responseStatus = true;

        return $response;
      } 
      catch (PayPalConnectionException $ex) 
      {
        if($this->debug)
        {
          $response->exception = $ex;

        }

        $response->responseStatus = false;

        return $response;
      }
    }

}


// You can use this wrapper by calling:

//$this->load->library('paypal_wrapper');

//$capture = $this->paypal_wrapper->capture_payment($amount,$authID);

//if($capture->responseStatus)...

//in any of your controllers/models by placing both PayPal_Wrapper.php and the PayPal-PHP-SDK library folder under the application/libraries CI folder.