Generation

generate functionTue, 28 Mar 2023

Imprimir las permutaciones únicas de un arreglo con algunos elementos repetidos

echo '<pre>'; print_r(permutations([1, 2, 3, 4], 0)); echo '</pre>'; output: Array ( [0] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) [1] => Array ( [0] => 1 [1] => 2 [2] => 4 [3] => 3 ) [2] => Array ( [0] => 1 [1] => 3 [2] => 2 [3] => 4 ) [3] => Array ( [0] => 1 [1] => 3 [2] => 4 [3] => 2 ) [4] => Array ( [0] => 1 [1] => 4 [2] => 3 [3] => 2 ) [

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