How To Start Testing In PHP With PHPUnit Step-by-Step Guide
Install PHPUnit via Composer, create a sample class & test case, arrange, act, assert, run tests & expand with new methods for robust testing.
How to Start Testing in PHP with PHPUnit with a step-by-step guide.
  
  
  Step 1: Install PHPUnit
Before you start writing tests, you need to install PHPUnit in your project.
You can install it globally using Composer:
composer global require phpunit/phpunit
    
    
    
    
Or install it locally for a specific project:
composer require --dev phpunit/phpunit
    
    
    
    
Once installed, you can confirm the installation by running:
./vendor/bin/phpunit --version
    
    
    
    
  
  
  Step 2: Create a Sample Class to Test
Let’s create a simple Calculator...
            