protected function promoteSingleStrings(array $string)
	{
		$newString = [];
		foreach ($string as $element)
		{
			if (is_array($element) && count($element) === 1)
			{
				$newString = array_merge($newString, $element[0]);
			}
			else
			{
				$newString[] = $element;
			}
		}

		return $newString;
	}