Computer Programming
5 learners
Applying Clean Code Principles in PHP
Apply essential clean code principles, such as DRY, KISS, Law of Demeter, and SOLID, in PHP. This course reinforces best practices through practical implementation and real-world examples, solving industry-related challenges.
PHP
See path
4 lessons
12 practices
2 hours
Badge for Computer Science Fundamentals,
Computer Science Fundamentals
Lessons and practices
Lesson 1: Applying DRY Principles in PHP Code
Refactor Code to Follow DRY Principle by Extracting Methods
Variable Extraction and Code Maintainability in PHP
Replace Temp with Query in PHP for Customer Eligibility Checks
Lesson 2: Applying the KISS Principle in PHP Code
Refactoring for Simplicity with the KISS Principle in PHP
Simplify Leap Year Evaluation Using the KISS Principle
Simplifying a Palindrome Checker in PHP
Lesson 3: Applying the Law of Demeter in PHP Code
Law of Demeter: Improving Object Interactions in a Library System
Refactoring Delivery Service for Encapsulation Compliance
Lesson 4: Applying SOLID Principles in PHP Code
Refactoring for Single Responsibility Principle in PHP
Redesign Code for Open/Closed Principle Compliance
Implementing Interface Segregation in PHP
Implementing the Dependency Inversion Principle in PHP
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.
Sign up
Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal