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GeezerVison is showing github.com — Welcome to PHP Debugger Discussions! · php-debugger/php-debugger · Discussion #23

Welcome to PHP Debugger Discussions! #23

pronskiy announced in Announcements
Welcome to PHP Debugger Discussions! #23
@pronskiy pronskiy
Mar 19, 2026 · 1 comments · 1 reply
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pronskiy
Mar 19, 2026
Maintainer

👋 Welcome!

We’re using Discussions as a place to connect with other members of our community. We hope that you:

  • Ask questions you’re wondering about.
  • Share ideas.
  • Engage with other community members.
  • Welcome others and are open-minded. Remember that this is a community we
    build together 💪.
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Smef
Apr 6, 2026

I see the idea is to improve performance over XDebug, which does a lot more. How does this compare to XDebug with only the step debugging enabled and the rest of the features disabled?

xdebug.mode=develop,coverage,debug,gcstats,profile,trace
vs
xdebug.mode=debug
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@pronskiy
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pronskiy Apr 13, 2026
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@Smef, this is exactly what we've benchmarked.
When loaded but idle (no active debug session), php-debugger adds less then 10% overhead and our goal is get to zero. Whereas Xdebug is adding more than 300% overhead even with just mode=debug.
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@pronskiy @Smef
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