Base::getLanguages

static function getLanguages(): array
{
	if (self::$languages === null)
	{
		self::$languages = [];
		$iterator = LanguageTable::getList([
			'select' => ['ID'],
			'filter' => ['=ACTIVE' => 'Y']
		]);
		while ($row = $iterator->fetch())
		{
			self::$languages[] = $row['ID'];
		}
		unset($row, $iterator);
	}

	return self::$languages;
}