After loading a node with Node::load with an existing taxonomy field abc do I add a new term and save? Something like?

  $term = Term::load(123);
  $node->get('abc')->appendItem($term );
  • I think $node->get('abc')->appendItem(['target_id' => 123]); would work – mradcliffe Apr 11 '16 at 13:33
  • Strange - it seems that my approach also work... still checking. – Nic Apr 12 '16 at 7:11
  • Yes, that is correct. The code to set the value of reference entries is very tolerant and accepts the full array with target_id and/or entity keys, a skalar with the id and an object of the term, which is then used to retrieve the id and store it in the database. But it does not make sense in your case to load the term and pass it, when later it is only used to get the id. – 4k4 Apr 12 '16 at 16:22

This is the correct long form, as in the comment of mradcliffe:

$node->get('abc')->appendItem(['target_id' => 123]);

You don't need to load the term, use the term id.

You can use shorter versions:

$node->abc->appendItem(['target_id' => 123]);
$node->abc[] = ['target_id' => 123];
$node->abc[] = '123';
  • For the last short form, is it really '123' as a string? – Nic Apr 11 '16 at 18:36
  • Is this documented somewhere officially? I tried to look this up on Drupal.org but without success – Nic Apr 11 '16 at 18:37
  • You can use both, string and int. There are magic functions in the object to use the itemlist as array and the fields in the shortened version. – 4k4 Apr 11 '16 at 18:54
  • Will this ignore duplicates? I'm prepareing an import script and an worried it will corrupt something if I run $node->abc[] = '123'; multiple times during testing – Nic Apr 12 '16 at 9:51
  • 1
    @Rob, yes, you have to loop over the field values. You don't need to use getIterator() though, because the array interface works like a normal array and you can put the field object directly in a foreach loop – 4k4 Mar 22 '18 at 16:50

Just check the following code, its a dummy code need to be test

use \Drupal\node\Entity\Node;

$node = Node::create([
      'type'        => 'article',
      'title'       => 'Druplicon test',
    $node->set('myterm_field', 'NEW TERM');
  • I don't think that entity reference fields are set using a string value. – mradcliffe Apr 11 '16 at 13:20

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