Trying to sort UPS option lowest to highest with lowest selected by default

uasort($usable_methods, array($this, "sortShipping"));
To:
//uasort($usable_methods, array($this, "sortShipping"));

function array_sort($array, $on, $type, $order = SORT_ASC){
	if(empty($array))
		return array();

	$new_array = array();
	$sortable_array = array();
	foreach ($array as $key => $value) {
		if($value->shipping_type == $type)
			$sortable_array[$key] = $value->shipping_price;
	}

	switch ($order) {
		case SORT_ASC:
			asort($sortable_array);
		break;
		case SORT_DESC:
			arsort($sortable_array);
		break;
	}

	foreach ($sortable_array as $k => $v) {
		$new_array[$k] = $array[$k];
	}
	return $new_array;
}

curl_close($session);
}

$new_usable_rates = $this->array_sort($new_usable_rates, 'shipping_price', 'ups', SORT_DESC);

foreach($new_usable_rates as $i => $usable_rate) {
	if(isset($usable_rate->shipping_price_orig) || isset($usable_rate->shipping_currency_id_orig)){
		if($usable_rate->shipping_currency_id_orig == $usable_rate->shipping_currency_id)
			$usable_rate->shipping_price_orig = $usable_rate->shipping_price;
		else
			$usable_rate->shipping_price_orig = $currencyClass->convertUniquePrice($usable_rate->shipping_price, $usable_rate->shipping_currency_id, $usable_rate->shipping_currency_id_orig);
	}
	$usable_rates[$usable_rate->shipping_id] = $usable_rate;
	$cache_usable_rates[$usable_rate->shipping_id] = $usable_rate;
}