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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
301donaldsebleung
Object-oriented Programming
Reverse Engineering
Fundamentals
Tutorials
6 kyu
Reflection in PHP #2 - Dissecting a function via ReflectionParameter
188donaldsebleung
Reflection
Object-oriented Programming
Fundamentals
Tutorials
5 kyu
Reflection in PHP #3 - Using Reflection on Classes
223donaldsebleung
Reflection
Object-oriented Programming
Fundamentals
Tutorials
5 kyu
PHP in Action #5 - PHPMailer Intro
66donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Object-Oriented PHP #1 - Classes, Public Properties and Methods
1,466donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Object-Oriented PHP #2 - Class Constructors and $this
1,248donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Object-Oriented PHP #3 - Class Constants and Static Methods
1,127donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Object-Oriented PHP #4 - People, people, people (Practice)
1,228donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Object-Oriented PHP #5 - Classical Inheritance
908donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Object-Oriented PHP #6 - Visibility
793donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #7 - The "Final" Keyword
747donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #8 - Interfaces [Advanced]
693donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
Object-Oriented PHP #9 - Abstract Classes [Advanced]
585donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Factory Functions #1 - Creating profile for people
573donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
5 kyu
Esolang Interpreters #2 - Custom Smallfuck Interpreter
3,902donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
4 kyu
Esolang Interpreters #3 - Custom Paintf**k Interpreter
2,736donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
3 kyu
Esolang Interpreters #4 - Boolfuck Interpreter
2,003donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
7 kyu
Bubblesort Once
6,766donaldsebleung
Algorithms
Tutorials
Sorting
7 kyu
Factory Functions #2 - Inheritance and Object Composition
378donaldsebleung
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Computer Science 101 - #1 Stacks
343donaldsebleung
Stacks
Linked Lists
Fundamentals
Tutorials
7 kyu
Computer Science 101 - #2 Queues
240donaldsebleung
Linked Lists
Queues
Performance
Fundamentals
Tutorials
7 kyu
Computer Science 101 - #3 Deques
170donaldsebleung
Performance
Fundamentals
Tutorials
6 kyu
Simplifying conditional statements
41donaldsebleung
Theorem Proving
Puzzles
Tutorials
8 kyu
Expand a string
287mentalplex
Strings
Fundamentals
Tutorials
7 kyu
Learning TypeScript. Classes & Interfaces. Setters
413vguzev
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Learning TypeScript. Classes & Interfaces. Abstract classes
460vguzev
Fundamentals
Tutorials
Object-oriented Programming
6 kyu
Learning TypeScript. Classes & Interfaces. Singletons
486vguzev
Singleton
Fundamentals
Tutorials
Object-oriented Programming
7 kyu
Lua is easy: Lesson 3 - Numbers
270KenKamau
Fundamentals
Tutorials