Client::asciiToUnicodeCallback

public function asciiToUnicodeCallback($m)
{
	if ((!is_array($m)) || (!isset($m[3])) || (empty($m[3])))
	{
		return $m[0];
	}
	else
	{
		$ruleset = $this->getRuleset();
		$asciiReplace = $ruleset->getAsciiReplace();

		$shortname = $m[3];
		$unicode = $asciiReplace[$shortname];
		return $m[2] . $this->convert($unicode);
	}
}