Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Create free account
Gemini 3 and 200+ AI Models on One Platform
Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.
Build, govern, and optimize agents and models with Gemini Enterprise Agent Platform.
...Unit tests are a crucial part of developing a routing engine such as Klein. Added features or bug-fixes can have adverse effects that are hard to find without a lot of testing, hence the importance of unit testing. This project uses PHPUnit as its unit testing framework.
This project has two parts. The first one is a hidden counter (using the 1x1 transparent pixel GIF) which registers into a MySQL database all remote IP addresses (whether IPv4 or IPv6), it tries very hard to use IPv6. The second part shows stats.