Drupal 8 Useful Snippets

get_all_field_types.php

<?php

$definitions = Drupal::service('plugin.manager.field.field_type')->getDefinitions();
foreach ( $definitions as $field_type => $definition) {
  print 'Label: '. $definition['label']. PHP_EOL;
  print 'Machine name: '. $field_type. PHP_EOL;
  print 'Descritpion: '. $definition['description']. PHP_EOL;
  print 'Provider: '. $definition['provider']. PHP_EOL . ' ---' . PHP_EOL;
}