A sampling profiler or a memory 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 scr...
PHP Profiler & Developer Toolbar (built for Phalcon)
A free, flexible, powerful tool that helps you monitor PHP Service and profiling PHP code.
Simple Profiler for PHP projects.
A simple PHP library for tracking the total amount of time a callable (e.g. function / method) takes to execute and return result(s) (if any).
A lightweight, extensible PHP debugging tool with error handling, performance profiling, and a powerful UI debug bar. Works for both web and CLI applications.