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How do I access the node id of a d8 field collection that is attached to the node in hook_preprocess_field(&$variables)?

  • If $variables contains already loaded Field Collection Item, then did you tried doing $fc->getHostId(), this should return the parent Node ID. Assuming that $fc is your Field Collection Item object. – Yogesh Dec 13 '16 at 4:59
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It works for me. You can do it as follows-

/** * Function hook_preprocess_field. */ function [theme_name]_preprocess_field(&$variables) { if ($variables['field_name'] == [FIELD_COLLECTION_NAME]) { if ($variables['element']['#entity_type'] == "node") { $node_id = $variables['element']['#object']->id(); //Rest of the code. } } }

Hope it works for you too.

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