PHP 5.6: Numbers shown with scientific notation even if explicitly formatted as text

[bhargav960143]

This is:

- [X ] a bug report

What is the expected behavior?

Export value as text

test_5.6.36.xlsx

89898989898958584854

What is the current behavior?

Exported value as number in scientific notion

test_5.6.36.xlsx

8.9869E+18

""

What are the steps to reproduce?

<?php

require __DIR__ . '/vendor/autoload.php';

$data = array('number' => '89898989898958584854');
$spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
$sheet = $spreadsheet->getSheet(0);
$sheet->fromArray($data, null, 'A1');
$sheet->getStyle('A1')
    ->getNumberFormat()
    ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_TEXT);

$writer = new \PhpOffice\PhpSpreadsheet\Writer\Xlsx($spreadsheet);
$filename = 'test_' . PHP_VERSION . '.xlsx';
$writer->save($filename);
exit;

Which versions of PhpSpreadsheet and PHP are affected?

phpspreadsheet: ^1.4
PHP 5.6.36
Tested on Windows English and Excel 2007 English. (Working)
Tested on Linux 2017 x86_64 (Host: x86_64-redhat-linux-gnu) (Not Working)

• Linux system is my server hosting system (Already configured system requirements.)

Required Format

Current Format

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
If this is still an issue for you, please try to help by debugging it further and sharing your results.
Thank you for your contributions.

[kalabro]

As a workaround, I set format to NumberFormat::FORMAT_NUMBER and it is displayed properly (as a number still).