Profiling PHP Applications with Xdebug

This course demonstrates profiling PHP applications with Xdebug, using a profiling front end to visualize call graphs and investigate bottlenecks. Examples range from simple programs to Composer configurations, and include compiling Xdebug 3 for performance gains.

Syllabus

- Holding Screen
- Introductions
- What are we going to profile?
- Installing and enabling Xdebug extension with Pecl
- Profiling our hello-world example
- Profiling our factorial example
- Profiling our simple composer configuration
- Profiling our complex composer configuration
- Compiling Xdebug 3 for the performance gains!
- Profiling our complex composer configuration with much gains