Does it handle circular references in object graphs?

Absolutely, it identifies patterns where object traversal lacks tracking for already-visited nodes, which often leads to infinite cycles during serialization or processing.

Can this skill detect loops in complex event-driven PHP systems?

Yes, it specifically looks for event/listener loops where a handler might inadvertently re-trigger the same event, causing an execution cycle.

Is it restricted to standard 'while' loops?

No, it covers 'for' loops with incorrect increments, 'foreach' loops with infinite generators, and even database pagination logic that misses offset updates.

How does it help with recursive function calls?

It identifies missing base cases, mutual recursion between multiple functions, and the lack of depth limits in recursive calls to prevent stack overflow.

PHP Infinite Loop Detector

Name: PHP Infinite Loop Detector
Author: dykyi-roman

bydykyi-roman

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Security & Testing

Identifies and fixes potential infinite loops, unbounded recursion, and circular reference risks in PHP applications.

This Claude Code skill provides a specialized diagnostic layer for PHP developers to proactively detect execution traps that cause high CPU usage or system crashes. It scans for common pitfalls such as missing break conditions, incorrect loop variable increments, and dangerous mutual recursion. By implementing automated grep patterns and severity-based classification, it helps engineers secure their code against memory leaks and infinite retry loops in complex architectural patterns like DDD, Hexagonal architecture, and event-driven systems.

Key Features

0145 GitHub stars

02Detects missing or unreachable break conditions in while/foreach loops

03Flags infinite retry logic and event-listener self-triggering loops

04Identifies unbounded recursion and missing base cases in recursive functions

05Suggests automated prevention patterns like iteration limits and depth tracking

06Catches circular reference traps in object graph traversals and linked lists

Use Cases

01Pre-commit code reviews to prevent production-breaking execution hangs

02Refactoring legacy PHP codebases to improve stability and performance

03Debugging high CPU utilization or memory exhaustion issues in backend services

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add dykyi-roman/awesome-claude-code find-infinite-loops

For use in Claude.ai and ChatGPT

Download Skill