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<?php

// Get field collection ids
$field_collection_id = is_object($node)
  ? entity_load('field_collection_item', array($node->field_answers[LANGUAGE_NONE][0]['value']))
  : 0;
$field_collection_id = is_array($field_collection_id)
  ? key($field_collection_id)
  : $field_collection_id;

// Answered by
$answered_by = $vars['content']['field_answers'][0]['entity']['field_collection_item'][$field_collection_id]['field_answered_by'][0]['#markup'];

?>