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Example code of tomasvotruba/cognitive-complexity

Informations about the package cognitive-complexity

Keep Cognitive Complexity Down


Cognitive complexity tells how difficult code is for a reader to understand. This package adds PHPStan rules that report classes and methods that got too complex.

How is cognitive complexity measured?

Every branch makes the reader keep one more path in their head. This function results in cognitive complexity of 4.

What adds complexity:

How to keep cognitive complexity on 1? Read Cognitive load is what matters or Sonar paper about cognitive complexity metrics that inspired this repository.


Install

The package runs on PHP 7.4+.


Usage

With PHPStan extension installer, everything is ready to run. The class and function rules are enabled by default.

Adjust the limits in your config, these are the defaults:

Each rule has its own error identifier, so you can ignore it on a specific place:


Happy coding!

All versions of cognitive-complexity with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
phpstan/phpstan Version ^2.0
nikic/php-parser Version ^5.3
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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