javascript - Paypal Checkout REST API server side code not clear -


background

i selling on-line live courses user can purchase example 5 live classes. site built codeigniter , checkout page looks this:

enter image description here

my main payment option stripe gateway integrated yesterday minimal hassle. using stripe.js , submitting hidden form pops stripe payment form , redirects processor controller...

paypal on other hand nightmare. confused api should choose...

enter image description here

checkout rest apparently modern , up-to-date option custom integration... paypal documentation says:

the enhanced paypal express checkout in-context gives customers simplified checkout experience keeps them local website throughout payment authorization process , lets them use paypal balance, bank account, or credit card pay without sharing or entering sensitive information on site.

fantastic...

what have tried

i @ enable in-context checkout step , lost due lack of server-side code examples.

i have added example code follows.

<!-- paypal payment --> <form id="mycontainer" method="post" action="<?php echo base_url() . 'paypal/process'; ?>"></form> <script> window.paypalcheckoutready = function () {     paypal.checkout.setup('my-merchant-id-here', {         environment: 'sandbox',         container: 'mycontainer'     }); }; </script> <script src="http://www.paypalobjects.com/api/checkout.js" async></script> <!-- end paypal payment -->

problems

when click paypal button whatever echoed in form action url (paypal/process) shows in popup... if put...

class paypal extends mx_controller {     public function process()     {         echo '<h1>test</h1>';     } }

then when click paypal button this....

enter image description here

it should login-to-paypal window, showing controller data!

question(s):

what should putting in controller? further point, information found on paypal's mess of documentation website?

endnote

stripe intuitive, add data popup form echoing order data javascript function... paypal clear mud @ point.


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