php-debugger/php-debugger

Xdebug — Step Debugger and Debugging Aid for PHP

PHP Debug Adapter for Visual Studio Code 🐞⛔

A REPL for PHP

😎 Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.

Buggregator — a single-binary debugging server for PHP. Captures exceptions, dumps, emails, profiling, logs in real-time UI. Sentry, Ray, VarDumper, SMTP, Monolog, Inspector, XHProf and more.

low-overhead sampling profiler for PHP 7+

A sampling profiler or a memory usage profiler for PHP written in PHP, which reads information about running PHP VM from outside the process. You can find performance bottlenecks or memory leaks of your scripts without changing the target script or loading extensions.

Graphical Debugger for Sublime Text for debuggers that support the debug adapter protocol

PHP Static Analysis Tool - discover bugs in your code without running it!