I am new to Commercetools and I created a free trial to explore it. Once I signed up for free trial, I got the access to Merchant Center and I installed the sunrise SPA demo data for testing. I placed one test order from SPA but in Merchant Center, I cannot see the order edit feature. Then I got to know from the below link that the order edit is not possible from Merchant Center and it can be through Custom Application.
I have one question here, basically I am a PHP developer, and I saw there is a PHP SDK available in commercetools. Can I create a custom application using PHP or that has to be done from React or JS as I can see here it mentioned React Js knowledge is needed.
https://docs.commercetools.com/merchant-center-customizations/custom-applications
Please help me to understand this.
Thanks in Advance.