May 29th, 2020
While creating a custom program for my work, I attempted to figure out if there was a way to create a redirect from a custom external script to the cart.
Most StackOverflow questions had answers that essentially said to create your own extension of the controller and use the inbuilt _redirect() method.
After a bit of searching and combining some previous knowledge, I discovered that the ResponseInterface can be used to redirect natively.
$bootstrap = Bootstrap::create(BP, $_SERVER); $objectManager = $bootstrap->getObjectManager(); $redirect = $objectManager->get('\Magento\Framework\App\ResponseInterface'); $redirect->setRedirect('../checkout/cart')->sendResponse();
Using this, the client will be redirected one directory up and then to checkout/cart without needing a custom contrtoller.
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