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I am trying to call field_info_field_map() in my DefaultForm.php . What is the right way? I am getting the following error:

Error: Class 'Drupal\module_name\Form\Field' not found in Drupal\module_name\Form\DefaultForm->module_name_settings_get_field_options()

The code I am using is as follow:

$fields = Field::fieldInfo()->getFieldMap();

the code i am trying to convert to d8

function mn_settings_get_field_options() { static $options = null; if (is_array($options)) { return $options; } $options = array(); $fields = field_info_field_map(); foreach ($fields as $field_name => $field_data) { if (isset($field_data['bundles']['node'])) { $node_types = $field_data['bundles']['node']; $options[$field_name] = $field_name . ' (In content types: ' . implode(', ', $node_types) . ')'; } } asort($options); return $options; }
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  • Did you specify the class via use at the top of the file under namespace? Commented Jan 20, 2017 at 21:01
  • @Kevin i did specify use Drupal\field\Plugin\Core\Entity\FieldInstance; use Drupal\field\Field; but still getting error . The reference to getFieldMap() is found in this link drupalcontrib.org/api/drupal/… Commented Jan 20, 2017 at 21:06
  • That site is way outdated. Use only the official API docs. Commented Jan 20, 2017 at 21:08
  • @Kevin this seems to do the job <code>$fields = \Drupal::entityManager()->getFieldMap();</code> but the output array for field doesnt tell whether the bundle is node or other entity Commented Jan 20, 2017 at 22:14
  • Not sure what you're talking about, but drupalcontrib.org is not up to date, nor official as far as I know. Commented Jan 20, 2017 at 22:16

2 Answers 2

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Looks one potential solution is to use is EntityFieldManager::getFieldMap. See the change log for this change.

Also, FYI:

When working directly with an $entity, the field definitions (which include base and configurable fields) can be directly requested from the object with $entity->getFieldDefinitions() or $entity->getFieldDefinition($field_name)

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  • i am still have problem with name space \Drupal::entityManager()->getFieldMap(); works but if i try entityManager ::getFieldMap(); it doesnt work! same with EntityFieldManager::getFieldMap . I m using name space use Drupal\Core\Entity; Commented Jan 20, 2017 at 22:58
  • i have update the code in the question , this is what i am trying to implement in D8 Commented Jan 20, 2017 at 23:04
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    Calling EntityFieldManager::getFieldMap() doesn't work because getFieldMap is not a static method (php.net/manual/en/language.oop5.static.php). entityFieldManager is a Drupal service called entity_field.manager and to call the function you should first ask for the service instance \Drupal::service('entity_field.manager')->getFieldMap() Commented Jan 21, 2017 at 9:08
  • @Eyal @kevin how to get the entity type id of the bundle , in D7 field map return array as field[bundles][node][0] => ''content type " . In D8 field map functions return like field[bundle][0]="content type" . I n my case i want to filter the bundle with entity id 'node'. code $fields = field_info_field_map(); foreach ($fields as $field_name => $field_data) { if (isset($field_data['bundles']['node'])) { $node_types = $field_data['bundles']['node']; $options[$field_name] = $field_name . ' (In content types: ' . implode(', ', $node_types) . ')'; } } code Commented Jan 23, 2017 at 17:35
  • Too much code for comments. Commented Jan 23, 2017 at 17:51
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The following DB query will give me list of all fields attached to node: select name from config where name like 'field.field.node%';

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  • @eyal finally i got the solution. Commented Mar 16, 2017 at 21:41

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