我该如何安排这样的数组[重复]

Question

This question already has an answer here:

• Move elements using array_chunk with PHP 4 answers

I have array like below:

$matrix = array(1, 2, 1,1, 2, 1,1, 1, 1);

how can I get array like below?

//OUTPUT:
minesweeper(matrix) = [[1, 2, 1],
                       [2, 1, 1],
                       [1, 1, 1]]

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Answer 1

You can use array_chunk

$matrix = array(1, 2, 1,1, 2, 1,1, 1, 1);
$res = array_chunk($matrix,3);
print_r($res);

Live working example