Understand and fix bugs faster

Ray is a desktop application that serves as the dedicated home for debugging output. Send, format and filter debug information from both local projects and remote servers.

• Ray @ GitHub.

A runtime developer console, interactive debugger and REPL for PHP.

XHProf is a function-level hierarchical profiler for PHP and has a simple HTML based navigational interface. The raw data collection component is implemented in C (as a PHP extension). The reporting/UI layer is all in PHP. It is capable of reporting function-level inclusive and exclusive wall times, memory usage, CPU times and number of calls for each function. Additionally, it supports ability to compare two runs (hierarchical DIFF reports), or aggregate results from multiple runs.

Blackfire APM Observability From Development to Production
Monitor, profile and test your application even before it is released in production.
Get actionable insights to improve your code rather than spend time figuring out what’s wrong. Ensure optimal performance and user experience for your web applications.

a powerful and modern PHP debugging tool

Webgrind is an Xdebug profiling web frontend in PHP5. It implements a subset of the features of kcachegrind and installs in seconds and works on all platforms. For quick'n'dirty optimizations it does the job. Here's a screenshot showing the output from profiling:

Webgrind is a Xdebug profiling web frontend in PHP5. It implements a subset of the features of kcachegrind and installs in seconds and works on all platforms. For quick'n'dirty optimizations it does the job. Here's a screenshot showing the output from profiling: