QuoteTable::normalizeStorageElementIds

static function normalizeStorageElementIds($value)
{
	if(is_string($value))
	{
		$elementIds = unserialize($value, ['allowed_classes' => false]);
		if(is_array($elementIds))
		{
			$value = array_map('intval', $elementIds);
			$value = array_unique($value, SORT_NUMERIC);
			$value = serialize($value);
		}
	}

	return $value;
}