Step 1. Create a new Window Server.
https://www.cloudjojo.com/how-to-create-windows-server-on-microsoft-azure/
Step 2. Login into your Microsoft Azure Account.
https://www.cloudjojo.com/how-to-login-in-windows-server-in-microsoft-azure/
Step 3. Install Web Server(IIS) by using below Link.
https://www.cloudjojo.com/how-to-start-iis-server-in-microsoft-azure/
Step 4. Download Installer for php 7.0 by using below link.
http://go.microsoft.com/fwlink/?LinkId=255386
Step 5. Open wpilauncher.exe and click on products options on the top of the page.
Step 6. Now click on Frameworks which is available in service panel at left most part of the page & select PHP 7.0.9(*64) for IIS Express .
Note : Select the PHP 7.0.9 with x64 or x86 according to your OS.
Step 7. Click on Add & then click on Install for starting the Installation of PHP.
Step 8. Click on I Accept to continue.
Step 9. Php is now installing.You can view your installation progress under the installation progress bar.
Step 10. Php is successfully installed now click on Finish button to Finish php Installation.
Note: If you want to see further Installation of PHP click on below Link:
How to Install IIS Web Server with PHP 7.0 on Microsoft Azure(Part 2)