Simple matrix
<?php
include "matrix.php";
use divengine\matrix;
// simple list of nums
$nums = new matrix([
["", 1, 2, 3],
["", 4, 5, 6]
]);
// get item
echo $nums->get(1, 3); // 6
// set item
$nums->set(1, 3, 10);
echo $nums->formatTXT();