Docs For Class Math_Combinatorics

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Math_Combinatorics

Math_Combinatorics provides the ability to find all combinations and permutations given an set and a subset size. Associative arrays are preserved.

array array_shift_assoc(
array
&$array, array
$array)

Associative version of array_shift()

Return: Array with 1st element as the shifted key and the 2nd element as the shifted value
Access: public

array	`$array`	—	Reference to the array to shift
array	`&$array`	—

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array combinations(
array
$set, [int
$subset_size = null])

Find all combinations given a set and a subset size.

array	`$set`	—	Parent set
int	`$subset_size`	—	Subset size

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array permutations(
array
$set, [int
$subset_size = null])

Find all permutations given a set and a subset size.

array	`$set`	—	Parent set
int	`$subset_size`	—	Subset size

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Class: Math_Combinatorics