Tag::getIdByGroup

public function getIdByGroup(int $groupId, $tag): int
{
	$this->cacheGroupTags($groupId);

	$groupTags = self::$storage[self::GROUP_TAGS_CACHE];

	foreach ($groupTags as $groupTag)
	{
		$name = is_array($tag) ? $tag['NAME'] : $tag;
		$name = $this->prepareTag($name);
		if ($this->prepareTag($groupTag['NAME']) === $name)
		{
			return (int)$groupTag['ID'];
		}
	}

	return 0;
}