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See Release Notes

  • 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.
   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace Phpml\Math;
   6  
   7  interface Distance
   8  {
   9      public function distance(array $a, array $b): float;
  10  }