I have files php what they do is insert, show, delete data through json, but I have them mounted on another server, it worked when I used phpmyadmin but I changed to azure and I do not know how You have to perform to do these operations.
Greetings dear! First things first, Azure and PhpMyAdmin are two completely different things.
PhpMyAdmin allows you to manage your MySQL databases through a web client.
On the other hand Azure is a Cloud platform in which you can have MYSQL databases, VM's, Websites and many more services in two different models: IAAS and PAAS. ( More about this ... ).
That said, you probably have to do the following:
Mysql to azure Azure App Services I hope it serves you!