PHP Scripts & Templates
Xdebug
Xdebug is a free debugger and profiler extension for PHP.
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- Added
- Oct 31, 2026
- Source
- xdebug.org
What you can do with it
- Step through PHP code line by line
- See variable values while code runs
- Find slow functions with profiling
- Get clearer error messages
Good to know
Use it on your development machine; it slows PHP down on a live site.