Search moodle.org's
Developer Documentation

See Release Notes

  • 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 multiplication operation
 *
 * @copyright  Copyright (c) 2018 Mark Baker (https://github.com/MarkBaker/PHPMatrix)
 * @license    https://opensource.org/licenses/MIT    MIT
 */

namespace Matrix;

use Matrix\Operators\Multiplication;

/**
 * Multiplies two or more matrices
 *
 * @param array<int, mixed> $matrixValues The matrices to multiply
 * @return Matrix
 * @throws Exception
 */
< function multiply(...$matrixValues)
> function multiply(...$matrixValues): Matrix
{ if (count($matrixValues) < 2) { throw new Exception('Multiplication operation requires at least 2 arguments'); } $matrix = array_shift($matrixValues); if (is_array($matrix)) { $matrix = new Matrix($matrix); } if (!$matrix instanceof Matrix) { throw new Exception('Multiplication arguments must be Matrix or array'); } $result = new Multiplication($matrix); foreach ($matrixValues as $matrix) { $result->execute($matrix); } return $result->result(); }