StringHelper::str_replace

static function str_replace($search, $replace, $str)
{
	if (is_array($str))
	{
		foreach ($str as $key => $value)
		{
			if (is_scalar($value))
			{
				$str[$key] = str_replace($search, $replace, $value);
			}
		}
	}
	elseif (is_scalar($str))
	{
		$str = str_replace($search, $replace, $str);
	}

	return $str;
}