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Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php

namespace Matrix\Operators;

use \Matrix\Matrix;
use \Matrix\Functions;
use Matrix\Exception;

class Division extends Multiplication
{
    /**
     * Execute the division
     *
     * @param mixed $value The matrix or numeric value to divide the current base value by
     * @throws Exception If the provided argument is not appropriate for the operation
     * @return $this The operation object, allowing multiple divisions to be chained
     **/
< public function execute($value)
> public function execute($value): Operator
{ if (is_array($value)) { $value = new Matrix($value); } if (is_object($value) && ($value instanceof Matrix)) { try { $value = Functions::inverse($value); } catch (Exception $e) { throw new Exception('Division can only be calculated using a matrix with a non-zero determinant'); } return $this->multiplyMatrix($value); } elseif (is_numeric($value)) { return $this->multiplyScalar(1 / $value); } throw new Exception('Invalid argument for division'); } }