Guides
PHP2Shell patched? How to regression test your PHP apps after the fix
The PHP2Shell patch (CVE-2026-109618, CVE-2026-109619) is out. Here is what can break when you apply it, and how to regression test your PHP apps before you ship the fix.
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About
Sanu Krishnan is a Product Engineer at Klarent. He started out as an embedded engineer working on firmware and PCB design, then explored AI, mobile and web apps, and 3D design and printing. Before joining Klarent, he co-founded Lsquared AI and Armino Technologies, and served as Chief Technology Officer at Make Group and Product Manager at Creative Bits. He studied at LBS College of Engineering, Kasaragod, Kerala.
Articles by Sanu Krishnan
4 published
Guides
Testing for the iPhone Duo: What QA engineers need to know now that the iPhone folds
Apple's first foldable iPhone changes screen shape at runtime. Here is the new mobile QA test matrix, the pain points it creates, and how to keep a suite from breaking with every fold.
Guides
Visual regression testing: Catching UI bugs automatically with AI
See how visual regression testing catches UI bugs functional tests miss: pixel vs. DOM comparison, self-healing baselines, and false positives.
Insights
Build vs buy analysis: What DIY QA tooling really costs
See the real build vs buy analysis for QA tooling, engineering cost, maintenance burden, and the reliability gap teams miss before buying.
