Controller::prepareParams

static function prepareParams($params)
{
	foreach ($params as $key => $value)
	{
		if ($value === '#ZERO#')
		{
			$value = '0';
		}
		else if ($value === '#EMPTY#')
		{
			$value = '';
		}

		$params[$key] = $value;
	}

	return $params;
}