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Example code of jayboss/paystack

Informations about the package paystack

Paystack Payment Integration

A Laravel Package for working with Paystack seamlessly

Installation

PHP 8.0.2+ and Composer are required.

To get the latest version, simply require it

Or add the following line to the require block of your composer.json file.

You'll then need to run composer install or composer update to download it and have the autoloader updated.

Once Laravel Paystack is installed, you need to register the service provider. Open up config/app.php and add the following to the providers key.

Configuration

You can publish the configuration file using this command:

A configuration-file named paystack.php with some sensible defaults will be placed in your config directory:

General payment flow

1. The customer is redirected to the payment provider

After the customer has gone through the checkout process and is ready to pay, the customer must be redirected to the site of the payment provider.

The redirection is accomplished by submitting a form with some hidden fields. The form must send a POST request to the site of the payment provider. The hidden fields minimally specify the amount that must be paid, the order id and a hash.

The hash is calculated using the hidden form fields and a non-public secret. The hash used by the payment provider to verify if the request is valid.

2. The customer pays on the site of the payment provider

The customer arrives on the site of the payment provider and gets to choose a payment method. All steps necessary to pay the order are taken care of by the payment provider.

3. The customer gets redirected back to your site

After having paid the order the customer is redirected back. In the redirection request to the shop-site some values are returned. The values are usually the order id, a payment result and a hash.

The hash is calculated out of some of the fields returned and a secret non-public value. This hash is used to verify if the request is valid and comes from the payment provider. It is paramount that this hash is thoroughly checked.

Usage

Open your .env file and add your public key, secret key, merchant email and payment url like so:

Set up routes and controller methods like so:

Note: Make sure you have /payment/callback registered in Paystack Dashboard https://dashboard.paystack.co/#/settings/developer like so:

payment-callback

Pass the payment reference from your controller to your view like so

A sample form will look like so:

When clicking the submit button the customer gets redirected to the Paystack site.

So now we've redirected the customer to Paystack. The customer did some actions there (hopefully he or she paid the order) and now gets redirected back to our shop site.

Paystack will redirect the customer to the url of the route that is specified in the Callback URL of the Web Hooks section on Paystack dashboard.

We must validate if the redirect to our site is a valid request (we don't want imposters to wrongfully place non-paid order).

In the controller that handles the request coming from the payment provider, we have

$paystack->getPaymentData() - This function calls the verification methods and ensure it is a valid transaction else it throws an exception.

License

The MIT License (MIT).

All versions of paystack with dependencies

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