Why use this skill instead of a standard PHP linter?

While standard linters catch syntax and style, this skill focuses on architectural efficiency and algorithmic complexity, providing intelligent refactoring suggestions that a standard linter might miss.

How does this skill improve PHP performance?

It identifies algorithmic inefficiencies, such as nested loops that can be replaced with hash maps (O(n) vs O(n²)), and flags redundant iterations to minimize CPU cycles.

Can it detect database performance bottlenecks?

Yes, it specifically flags patterns where database flushes, persists, or API calls occur inside a loop instead of being batched for a single trip.

Does it support modern PHP syntax and functions?

Absolutely. It suggests using arrow functions with array_filter, array_map, and the spread operator for more efficient and readable code compared to traditional foreach loops.

PHP Loop Optimizer

Name: PHP Loop Optimizer
Author: dykyi-roman

bydykyi-roman

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Developer Tools

Identifies and suggests fixes for inefficient loop patterns, redundant iterations, and O(n²) complexity in PHP codebases.

This skill empowers Claude to perform deep static analysis of PHP loops, identifying common performance bottlenecks such as nested loop lookups, redundant collection passes, and loop-invariant code that should be hoisted. By detecting expensive operations like database flushes or API calls inside loops, it helps developers refactor code into batchable, high-performance patterns, reducing algorithmic complexity and improving application responsiveness. It is an essential tool for PHP developers focused on Clean Architecture, DDD, and high-scale performance optimization.

Key Features

01Locates loop-invariant code that can be moved outside the loop scope

0245 GitHub stars

03Detects O(n²) nested loop searches and suggests O(n) indexed lookups

04Flags expensive in-loop operations like database flushes or API calls for batching

05Identifies redundant iterations and suggests single-pass transformations

06Recommends modern PHP array functions over verbose manual loops for cleaner code

Use Cases

01Refactoring legacy PHP code to improve execution speed and reduce CPU usage

02Automating performance-focused code reviews to catch algorithmic inefficiencies early

03Optimizing database-heavy logic to prevent N+1 query and persistence issues

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add dykyi-roman/awesome-claude-code detect-unnecessary-loops

For use in Claude.ai and ChatGPT

Download Skill