image_field_storage_config_delete(FieldStorageConfigInterface $field)
Implements hook_ENTITY_TYPE_delete() for 'field_storage_config'.
function image_field_storage_config_delete(FieldStorageConfigInterface $field) { if ($field->getType() != 'image') { // Only act on image fields. return; } // The value of a managed_file element can be an array if #extended == TRUE. $uuid = $field->getSetting('default_image')['uuid']; if ($uuid && ($file = \Drupal::entityManager()->loadEntityByUuid('file', $uuid))) { \Drupal::service('file.usage')->delete($file, 'image', 'default_image', $field->uuid()); } }
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https://api.drupal.org/api/drupal/core!modules!image!image.module/function/image_field_storage_config_delete/8.1.x