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<?php |
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namespace EventEspresso\core\services\currency; |
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use InvalidArgumentException; |
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defined('EVENT_ESPRESSO_VERSION') || exit; |
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/** |
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* Class DefaultCalculator |
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* does not require any special server extensions loaded so will work anywhere |
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* |
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* @package Event Espresso |
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* @author Brent Christensen |
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* @since $VID:$ |
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*/ |
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class DefaultCalculator extends CalculatorBase |
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{ |
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/** |
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* returns true if a calculator is supported as determined by loaded server extensions |
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* |
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* @return bool |
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*/ |
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public function isSupported() |
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{ |
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return true; |
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} |
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/** |
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* adds the supplied Money amount to this Money amount |
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* and returns a new Money object |
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* |
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* @param float|int|string $amount |
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* @param float|int|string $amount_to_add |
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* @return string |
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*/ |
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public function add($amount, $amount_to_add) |
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{ |
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return (string) ($amount + $amount_to_add); |
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} |
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/** |
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* subtracts the supplied Money amount from this Money amount |
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* and returns a new Money object |
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* |
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* @param float|int|string $amount |
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* @param float|int|string $amount_to_subtract |
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* @return string |
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*/ |
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public function subtract($amount, $amount_to_subtract) |
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{ |
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return (string) ($amount - $amount_to_subtract); |
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} |
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/** |
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* multiplies this Money amount by the supplied $multiplier |
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* and returns a new Money object |
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* |
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* @param float|int|string $amount |
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* @param float|int|string $multiplier |
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* @param int $precision |
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* @param int $rounding_mode |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function multiply($amount, $multiplier, $precision = 3, $rounding_mode = Calculator::ROUND_HALF_UP) |
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{ |
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return $this->round($amount * $multiplier, $precision, $rounding_mode); |
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} |
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/** |
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* divides this Money amount by the supplied $divisor |
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* and returns a new Money object |
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* |
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* @param float|int|string $amount |
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* @param float|int|string $divisor |
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* @param int $precision |
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* @param int $rounding_mode |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function divide($amount, $divisor, $precision = 3, $rounding_mode = Calculator::ROUND_HALF_UP) |
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{ |
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$this->validateDivisor($divisor); |
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return $this->round($amount / $divisor, $precision, $rounding_mode); |
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} |
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} |
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eventespresso /
event-espresso-core
