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<?php namespace Blend\Model; use SebastianBergmann\Money\Money; abstract class MoneyFactory { public static function __callstatic($meth, array $args) { $meth = strtoupper($meth); if (!self::isValidCurrency($meth)) { throw new InvalidArgumentException("Unknown currency"); } if (!isset($args[0])) { throw new InvalidArgumentException("Missing amount"); } return new Money($args[0] * 100, new Currency($meth)); } private static function isValidCurrency($currency) { if (strlen($currency) != 3) { return false; } try { new Currency($currency); } catch (InvalidArgumentException $e) { return false; } return true; } }