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Lesson 33: Writing Test cases for Entities and Repository (PHP OOP & TDD)

Lesson 32: The concept of Entities and Repository Pattern (PHP OOP & TDD)

Lesson 31: Query Builder Cleanup and Bug Fixes (PHP OOP & TDD)

Lesson 30: Adding More Test Cases to Query Builder Class (PHP OOP & TDD)

Lesson 29: Automatically Cleanup the Database for Each New Test (PHP OOP & TDD)

Lesson 28: Creating a Database Query Builder Factory (PHP OOP & TDD)

Lesson 27: Implementing Delete and Update Record Methods (PHP OOP & TDD)

Lesson 26: Implementing Insert, Raw Query, & Find Methods + Test Cases (PHP OOP & TDD)

Lesson 25: Implementing Abstract Methods for MySQLi API (PHP OOP & TDD)

Lesson 24: Implementing Abstract Methods for PDO API (PHP OOP & TDD)

Lesson 23: Adding Abstract Methods In Query Builder Class (PHP OOP & TDD)

Lesson 22: Abstract Database Query Builder with TDD - Part 3 (PHP OOP & TDD)

Lesson 21: Abstract Database Query Builder with TDD - Part 2 (PHP OOP & TDD)

Lesson 20: Abstract Database Query Builder with TDD - Part 1 (PHP OOP & TDD)

Lesson 19: Building a Database Query Builder (PHP OOP & TDD)

Lesson 18: Test-Driven PHP Database Connection With MySQLi

Lesson 17: Test Driven PHP Database Connection With PDO (PHP Data Object)

Lesson 16: Test Driven PHP Database Connection - Part 1 (PHP OOP & TDD)

Lesson 15: Database Abstraction UML Diagram (PHP OOP & TDD)

Lesson 14: Unit Testing The Logger Class (PHP OOP & TDD)

Lesson 13: Unit Testing The App Class (PHP OOP & TDD)

Lesson 12: Creating a PHPUnit Configuration file (PHP OOP & TDD)

Lesson 11: Creating a Test Class and Writing a Test (PHP OOP & TDD)

Lesson 9: Concrete Implementation of Logger Interface (PHP OOP & TDD)