Explore Utilities in Drupal 8

Drupal provides developers with a variety of utility functions that make it easier and more efficient to perform tasks that are either really common, tedious, or difficult. Utility functions help to reduce code duplication and should be used in place of one-off code whenever possible.

This session will be about Creating your own utilities in Drupal 8 and how effectively we can use the existing ones.

Link: https://api.drupal.org/api/drupal/core!core.api.php/group/utility/8.6.x