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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

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7 kyu
Reflection in PHP #1 - Introduction
325donaldsebleung
Object-oriented Programming
Reverse Engineering
Fundamentals
Tutorials
6 kyu
Reflection in PHP #2 - Dissecting a function via ReflectionParameter
199donaldsebleung
Reflection
Object-oriented Programming
Fundamentals
Tutorials
5 kyu
Reflection in PHP #3 - Using Reflection on Classes
233donaldsebleung
Reflection
Object-oriented Programming
Fundamentals
Tutorials
5 kyu
PHP in Action #5 - PHPMailer Intro
73donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Object-Oriented PHP #2 - Class Constructors and $this
1,338donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Object-Oriented PHP #3 - Class Constants and Static Methods
1,207donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Object-Oriented PHP #4 - People, people, people (Practice)
1,316donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Object-Oriented PHP #5 - Classical Inheritance
968donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Object-Oriented PHP #6 - Visibility
852donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #7 - The "Final" Keyword
800donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #8 - Interfaces [Advanced]
746donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #9 - Abstract Classes [Advanced]
626donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Factory Functions #1 - Creating profile for people
594donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
5 kyu
Esolang Interpreters #2 - Custom Smallfuck Interpreter
4,035donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
4 kyu
Esolang Interpreters #3 - Custom Paintf**k Interpreter
2,885donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
3 kyu
Esolang Interpreters #4 - Boolfuck Interpreter
2,169donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
7 kyu
Bubblesort Once
7,043donaldsebleung
Algorithms
Tutorials
Sorting
7 kyu
Factory Functions #2 - Inheritance and Object Composition
387donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Computer Science 101 - #1 Stacks
364donaldsebleung
Stacks
Linked Lists
Fundamentals
Tutorials
7 kyu
Computer Science 101 - #2 Queues
253donaldsebleung
Linked Lists
Queues
Performance
Fundamentals
Tutorials
7 kyu
Computer Science 101 - #3 Deques
181donaldsebleung
Performance
Fundamentals
Tutorials
6 kyu
Simplifying conditional statements
41donaldsebleung
Theorem Proving
Puzzles
Tutorials
8 kyu
Expand a string
298mentalplex
Strings
Fundamentals
Tutorials
7 kyu
Learning TypeScript. Classes & Interfaces. Setters
459vguzev
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Learning TypeScript. Classes & Interfaces. Abstract classes
505vguzev
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Learning TypeScript. Classes & Interfaces. Singletons
525vguzev
Singleton
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Lua is easy: Lesson 3 - Numbers
277KenKamau
Fundamentals
Tutorials