CCrmProductRestProxy::getProperties

public function getProperties($catalogID, &$fields, $propertiesSelect)
{
	if ($catalogID <= 0)
		return;

	if(!is_array($fields))
	{
		throw new RestException("The parameter 'fields' must be array.");
	}

	$productID = isset($fields['ID']) ? intval($fields['ID']) : 0;

	if ($productID <= 0)
		return;

	if (empty($propertiesSelect))
	{
		return;
	}

	$this->initializePropertiesInfo($catalogID);

	$selectAll = false;
	foreach($propertiesSelect as $k => $v)
	{
		if($v === 'PROPERTY_*')
		{
			$selectAll = true;
			unset($propertiesSelect[$k]);
			break;
		}
	}

	$propertyValues = array();
	if ($productID > 0 && count($this->properties) > 0)
	{
		$rsProperties = CIBlockElement::GetProperty(
			$catalogID,
			$productID,
			array(
				'sort' => 'asc',
				'id' => 'asc',
				'enum_sort' => 'asc',
				'value_id' => 'asc',
			),
			array(
				'ACTIVE' => 'Y',
				'EMPTY' => 'N',
				'CHECK_PERMISSIONS' => 'N'
			)
		);
		while ($property = $rsProperties->Fetch())
		{
			if (isset($property['USER_TYPE']) && !empty($property['USER_TYPE'])
				&& !array_key_exists($property['USER_TYPE'], $this->userTypes))
				continue;

			$propId = 'PROPERTY_' . $property['ID'];
			if(!isset($propertyValues[$propId]))
				$propertyValues[$propId] = array();
			$propertyValues[$propId][] =
				array('VALUE_ID' => $property['PROPERTY_VALUE_ID'], 'VALUE' => $property['VALUE']);
		}
		unset($rsProperties, $property, $propId);
	}
	foreach ($this->properties as $propId => $prop)
	{
		if ($selectAll || in_array($propId, $propertiesSelect, true))
		{
			$value = null;
			if (isset($propertyValues[$propId]))
			{
				if ($prop['MULTIPLE'] === 'Y')
					$value = $propertyValues[$propId];
				else if (count($propertyValues[$propId]) > 0)
					$value = end($propertyValues[$propId]);
			}
			$fields[$propId] = $value;
		}
	}
}