Easily debug WordPress sites using Ray.
As of April 2026, Ray is a WordPress debug plugin with 500 active installations and a 5/5 rating from 10 reviews. It has been downloaded 35K+ times in total. Requires WordPress 5.5+ and PHP 8.0+. Available on WordPress.org since 2021. Top alternative: WP Crontrol.
Ray is a beautiful, lightweight desktop app that helps you debug your app. There’s a free demo available that can be unlocked with a license.
After installing this plugin, you can use the ray() function to quickly dump stuff. Any variable(s) that you pass to ray() will be displayed.
Here some examples:
ray('Hello world');
ray(['a' => 1, 'b' => 2])->color('red');
ray('multiple', 'arguments', 'are', 'welcome');
ray()->showQueries();
There are many other helper functions available on Ray that allow you to display things that can help you debug such as runtime and memory usage, queries that were executed, and much more.
The extensive documentation can be found here.
It contains the installation instructions for WordPress.
After it is installed you can…
| WordPress | 5.5+ requiredTested up to 6.8.5 |
| PHP | 8.0+ required |
You can find the changelog at GitHub.
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.