I was not able to find a simpler API that uses a field collection item id to get the node nid containing the field collection item. Currently, the only way I could find is by loading field collection via entity_load.

<?php
$model
= entity_load_single('field_collection_item', $model_id);
$node = $model->hostEntity();
echo
$node->nid;
?>

Is there a simpler way to achieve this?

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Source of code: http://drupal.stackexchange.com/questions/62877/get-node-id-of-field-col...