ovunctukenmez / combinations

Combinations is a PHP class that is used to generate combinations with or without repetition allowed as well as permutations with or without repetition allowed

Combinations PHP Class

Combinations is a PHP class that is used to generate combinations with or without repetition allowed as well as permutations with or without repetition allowed.

Example script is included in the package. (example.php)

Sample Calculations Using ['A', 'B', 'C', 'D'] Set

• Permutations with two elements (no repetition is allowed):
  

  [[A,B] ,[A,C] ,[A,D] ,[B,A] ,[B,C] ,[B,D] ,[C,A] ,[C,B] ,[C,D] ,[D,A] ,[D,B] ,[D,C]]

• Permutations with two elements (repetition is allowed):
  

  [[A,A] ,[A,B] ,[A,C] ,[A,D] ,[B,A] ,[B,B] ,[B,C] ,[B,D] ,[C,A] ,[C,B] ,[C,C] ,[C,D] ,[D,A] ,[D,B] ,[D,C] ,[D,D]]

• Combinations with two elements (no repetition is allowed):
  

  [[A,B] ,[A,C] ,[A,D] ,[B,C] ,[B,D] ,[C,D]]

• Combinations with two elements (repetition is allowed):
  

  [[A,A] ,[A,B] ,[A,C] ,[A,D] ,[B,B] ,[B,C] ,[B,D] ,[C,C] ,[C,D] ,[D,D]]

Public Methods of Class

• setElements()
• getCombinations()
• getPermutations()

Class Requirements

• PHP 5 >= 5.5.0

Thanks for checking out this class! If you have improvement idea or bug fix, please feel free to contribute this class.


Ovunc Tukenmez [email protected]