PHP code example of springy-framework / installment-calc

1. Go to this page and download the library: Download springy-framework/installment-calc library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

springy-framework / installment-calc example snippets




eates the object. Only the principal value is requered in constructor.
$installment = new Springy\InstallmentCalc(
    1000,
    0.5,
    Springy\InstallmentCalc::FORMULA_COMPOUND
);

/*
    Interst formula constants explained

    Springy\InstallmentCalc::FORMULA_SIMPLE - Simple interest
    Springy\InstallmentCalc::FORMULA_COMPOUND - Compound interest
    Springy\InstallmentCalc::FORMULA_BCB - Brazilian Central Bank interset formula
*/


// Gets future amount for 12 months
echo $installment->getFutureAmount(12);

// Gets total interest for 12 months
echo $installment->getInterest(12);

// Gets monthly installment for 12 months
echo $installment->getMonthlyInstallment(12);

// Gets current principal amount
echo $installment->getPrincipalAmount();

// Gets current interest formula method
echo $installment->getFormulaMethod();

// Gets current interes rate
echo $installment->getInterestRate();

// Changes the principal amount value
$installment->setPrincipalAmount(1999.99);

// Changes the interest formula value
$installment->setFormulaMethod(Springy\InstallmentCalc::FORMULA_SIMPLE);

// Changes the interest rate value
$installment->setInteresRate(1.99);