protected function getNext($string)
	{
		// Find the next occurrence of "string" after the current position.
		$pos = strpos($this->input, $string, $this->index);

		// If it's not there return false.
		if ($pos === false)

		{
			return false;
		}

		// Adjust position of index to jump ahead to the asked for string
		$this->index = $pos;

		// Return the first character of that string.
		return substr($this->input, $this->index, 1);
	}