* Coin Optimization
*
* Write a class or function that will output the optimal coin combination (fewest number of coins) that fulfills a given dollar value.
*
* Usage: php optimize.php [input] [currency]
* Example: php optimize.php 3.67
*
* @author Konr Ness <*****@*****.**>
*/
require_once __DIR__ . '/vendor/autoload.php';
use CoinOptimizer\CoinOptimizer;
use CoinOptimizer\EuroCoinCollectionFactory;
use CoinOptimizer\USCoinCollectionFactory;
$input = (double) isset($argv[1]) ? $argv[1] : 0;
$currency = isset($argv[2]) ? $argv[2] : "usd";
switch ($currency) {
case "usd":
$coinCollection = USCoinCollectionFactory::create();
break;
case "euro":
$coinCollection = EuroCoinCollectionFactory::create();
break;
default:
echo "Invalid currency. Available options are 'usd' or 'euro'" . PHP_EOL;
exit(1);
}
$coinOptimizer = new CoinOptimizer($coinCollection);
$coins = $coinOptimizer->optimize($input);
foreach ($coins as $coin) {
echo $coin->getName() . ": " . $coins[$coin] . PHP_EOL;
}
public function testCreate()
{
$coinCollection = EuroCoinCollectionFactory::create();
$this->assertInstanceOf('CoinOptimizer\\CoinCollection', $coinCollection);
$this->assertCount(8, $coinCollection->getSortedCoins());
}