blackfire

Blackfire is a command line tool and a profiling service that helps developers analyze, optimize, and improve the performance of their PHP applications. It provides detailed insights into how CPU cycles and memory are being used in an application, allowing developers to identify bottlenecks and optimize critical sections of code.

Blackfire offers various features such as flame graphs, which visualize the profiling data, and performance comparisons to track improvements over time. It also provides integration with popular PHP development frameworks, including Symfony and Laravel.

To use Blackfire, developers need to install the Blackfire probe extension and configure it with their project. Once enabled, they can trigger a profiling session from the command line or through specific requests in their application. The profiling data is then sent to the Blackfire service, where it is processed and displayed in a user-friendly web interface.

Overall, Blackfire is a powerful tool for PHP developers, helping them optimize code performance and enhance the speed and efficiency of their applications.