kaurikk/loan-payment-calculator

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Loan payment calculation library

0.0.3 2017-04-29 13:19 UTC

Requires

• php: >=7.1
• kaurikk/loan-amount-calculator: >=0.0
• kaurikk/loan-payment-period: >=0.0

Requires (Dev)

• phpunit/phpunit: >=6.0

MIT

• Kauri Kont-Kontson

README

loan-payment-calculator

Library to calculate full loan payments (with dates, periods, principal and interest amounts).

Basic usage

// $paymentAmountCalculator is instance of PaymentAmountCalculatorInterface
// $interestAmountCalculator is instance of InterestAmountCalculatorInterface
$calculator = new PaymentsCalculator($paymentAmountCalculator, $interestAmountCalculator);

$periods = $paymentPeriods; // must be instance of PaymentPeriodsInterface
$principal = 2000;
$interestRate = 20;
$calculationMode = 1; // see PaymentPeriodsInterface for available modes
$futureValue = 0; // Expected value after loan end, usually 0 

$payments = $calculator->calculatePayments($periods, $principal, $interestRate, $calculationMode, $futureValue);