Google App Engine, which is one of the services of Google
Cloud Platform is available for Python, Java, PHP and Google invented Go
Language. Google App Engine for PHP which was on beta version is now available
as a full service of Google Cloud Platform.
Google’s App Engine for PHP is very popular among many PHP
developers. After introducing App Engine for PHP at Google I/O developer
conference in 2013, it became very popular other than App Engine for Java and
Python. According to Google, PHP apps developed on App Engine handles about 800
million PHP queries currently.
Sony Music and Solar Impulse are two major companies who use
the App Engine for PHP.