FieldSynchronizer::extractFieldsFromEntity

static function extractFieldsFromEntity($parentEntities, $entity)
{
	$fields = [];

	foreach ($entity['FIELDS'] as $field)
	{
		if ($field['type'] === 'tree')
		{
			foreach ($field['tree'] as $treeName => $treeEntity)
			{
				$entities = $parentEntities;
				$entities[$treeName] = $treeEntity['CAPTION'];
				$fields = array_merge($fields, static::extractFieldsFromEntity($entities, $treeEntity));
			}
		}
		else
		{
			$field['entity_caption'] = reset($parentEntities);
			$field['entity_name'] = key($parentEntities);
			$field['entity_parents'] = $parentEntities;

			$fields[] = $field;
		}
	}

	return $fields;
}