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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
   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  }