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CodeSignal

Applying Clean Code Principles in PHP

via CodeSignal

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Overview

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.

Syllabus

  • Unit 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
  • Unit 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
  • Unit 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
  • Unit 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

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