The Zend.com blog has a post showing you how to debug WordPress running on Zend Server with the help of the Z-Ray plugin. In their example they're hosting it on an AWS instance, but the same technique can apply on any other hosted version as well.

More and more PHP development is being done in the cloud and on virtual platforms nowadays. The workflow detailed in this brief tutorial is just one way to develop PHP in these environments, but it illustrates just how easy and productive this type of development can be. More specifically, it demonstrates how to launch the newly available Zend Server 8.5 instance on AWS with a WordPress application already deployed, and then use Z-Ray to introspect and debug the code.

The tutorial walks you through the setup and configuration of a new AWS instance with Zend Server and WordPress installed (you can skip to the end if you already have this). They show you how to:

• Launch the Zend Server AWS instance
• Configure the instance to install WordPress as a part of the setup process
• Access the Zend Server control panel
• Accessing the WordPress application deployed on the instance

Once the WordPress application is accessed, the Z-Ray inspection bar will appear at the bottom giving you insight into various configuration options, performance metrics and server information. They also link to a video with more information about the WordPress plugin.