Moodle 4.0 XRef and Diffs

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Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

Moodle 4.0 Database Schema (by Marcus Green)

/lib/mlbackend/php/phpml/src/Phpml/Math/Distance/ -> Chebyshev.php (source)

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Phpml\Math\Distance;
   6  
   7  /**
   8   * Class Chebyshev
   9   */
  10  class Chebyshev extends Distance
  11  {
  12      /**
  13       * {@inheritdoc}
  14       */
  15      public function distance(array $a, array $b): float
  16      {
  17          return max($this->deltas($a, $b));
  18      }
  19  }