You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.3 KiB
37 lines
1.3 KiB
<?php
|
|
|
|
use PhpOffice\PhpSpreadsheet\Spreadsheet;
|
|
|
|
require __DIR__ . '/../../Header.php';
|
|
|
|
$helper->log('Returns the interest payment, during a specific period of a loan or investment that is paid in,');
|
|
$helper->log('constant periodic payments, with a constant interest rate.');
|
|
|
|
// Create new PhpSpreadsheet object
|
|
$spreadsheet = new Spreadsheet();
|
|
$worksheet = $spreadsheet->getActiveSheet();
|
|
|
|
// Add some data
|
|
$arguments = [
|
|
['Interest Rate', 0.05],
|
|
['Number of Years', 5],
|
|
['Present Value', 50000.00],
|
|
];
|
|
|
|
// Some basic formatting for the data
|
|
$worksheet->fromArray($arguments, null, 'A1');
|
|
$worksheet->getStyle('B1')->getNumberFormat()->setFormatCode('0.00%');
|
|
$worksheet->getStyle('B3')->getNumberFormat()->setFormatCode('$#,##0.00');
|
|
|
|
// Now the formula
|
|
$baseRow = 6;
|
|
for ($month = 1; $month <= 12; ++$month) {
|
|
$row = (string) ($baseRow + $month);
|
|
|
|
$worksheet->setCellValue("A{$row}", "Payment for Mth {$month}");
|
|
$worksheet->setCellValue("B{$row}", "=IPMT(\$B\$1/12, {$month}, \$B\$2*12, \$B\$3)");
|
|
$worksheet->getStyle("B{$row}")->getNumberFormat()->setFormatCode('$#,##0.00;-$#,##0.00');
|
|
|
|
$helper->log($worksheet->getCell("B{$row}")->getValue());
|
|
$helper->log("IPMT() Month {$month} Result is " . $worksheet->getCell("B{$row}")->getFormattedValue());
|
|
}
|
|
|