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  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
<?php

/**
 *
 * Function code for the matrix antidiagonal() function
 *
 * @copyright  Copyright (c) 2018 Mark Baker (https://github.com/MarkBaker/PHPMatrix)
 * @license    https://opensource.org/licenses/MIT    MIT
 */
namespace Matrix;

/**
 * Returns the antidiagonal of a matrix or an array.
 *
 * @param     Matrix|array     $matrix    Matrix or an array to treat as a matrix.
 * @return    Matrix           The new matrix
 * @throws    Exception        If argument isn't a valid matrix or array.
 */
< function antidiagonal($matrix)
> function antidiagonal($matrix): Matrix
{ if (is_array($matrix)) { $matrix = new Matrix($matrix); } if (!$matrix instanceof Matrix) { throw new Exception('Must be Matrix or array'); } return Functions::antidiagonal($matrix); }