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oleibman
9565757138
A follow-on activity to PR #5061. That PR added scrollbars to the dropdown lists when samples were run in a browser. Earlier changes had broken up a number of categories into multiple entries because the dropdown lists were too long and wound up truncated. With the scrollbars, it makes sense to re-consolidate many of those lists, such as ComplexNumbers, which are all essentially the same test as each other. Some break-ups are retained (e.g. Basic/1/2/3/4/5) because they differ substantially from sample to sample; that's kind of an arbitrary decision, but it will have to do for now. I also renamed some of the members so that like members sort together when listing the directory (e.g. all pivot table samples now start with `pvt`). The sample code is mostly unchanged; only the directory and/or member names are changed. The download samples were moved to their own new directory, and now represent a complete set of all the write formats that we permit. Studying their code, an improvement for `Helper\Downloader` became evident. It had been used merely to copy an existing file to be downloaded. However, by changing the first parameter of `download` to be either the name of the file directory (the existing usage) *or* a `Writer` object poised to issue `save`, you can use it to download your spreadsheet without having to worry about the headers which the browser requires. It then becomes generally useful beyond being used in samples: ```php $writer = new WriterType($spreadsheet); $downloader = new Downloader($writer, 'suggestedFileName.xlsx'); $downloader->download(); ```
37 lines
1.2 KiB
PHP
37 lines
1.2 KiB
PHP
<?php
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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require __DIR__ . '/../Header.php';
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/** @var PhpOffice\PhpSpreadsheet\Helper\Sample $helper */
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$helper->log('Returns the interest paid during a specific period of a loan or investment.');
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// Create new PhpSpreadsheet object
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$spreadsheet = new Spreadsheet();
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$worksheet = $spreadsheet->getActiveSheet();
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// Add some data
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$arguments = [
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['Interest Rate', 0.05],
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['Number of Years', 5],
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['Present Value', 50000.00],
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];
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// Some basic formatting for the data
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$worksheet->fromArray($arguments, null, 'A1');
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$worksheet->getStyle('B1')->getNumberFormat()->setFormatCode('0.00%');
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$worksheet->getStyle('B3')->getNumberFormat()->setFormatCode('$#,##0.00');
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// Now the formula
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$baseRow = 6;
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for ($month = 1; $month <= 12; ++$month) {
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$row = (string) ($baseRow + $month);
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$worksheet->setCellValue("A{$row}", "Payment for Mth {$month}");
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$worksheet->setCellValue("B{$row}", "=ISPMT(\$B\$1/12, {$month}, \$B\$2*12, \$B\$3)");
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$worksheet->getStyle("B{$row}")->getNumberFormat()->setFormatCode('$#,##0.00;-$#,##0.00');
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$helper->log($worksheet->getCell("B{$row}")->getValue());
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$helper->log("ISPMT() Month {$month} Result is " . $worksheet->getCell("B{$row}")->getFormattedValue());
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}
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