Class "MyCLabs\Enum\Enum" not found

[Sab-tech-lab]

This is:

- [x ] a bug report
- [ ] a feature request
- [ ] **not** a usage question (ask them on https://stackoverflow.com/questions/tagged/phpspreadsheet or https://gitter.im/PHPOffice/PhpSpreadsheet)

What is the expected behavior?

Not load class, Class "MyCLabs\Enum\Enum" not found

What is the current behavior?

Load class

What are the steps to reproduce?

Write a simple file Xlsx

Please provide a Minimal, Complete, and Verifiable example of code that exhibits the issue without relying on an external Excel file or a web server:

<?php

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

// Create new Spreadsheet object
$spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();

// add code that show the issue here...

If this is an issue with reading a specific spreadsheet file, then it may be appropriate to provide a sample file that demonstrates the problem; but please keep it as small as possible, and sanitize any confidential information before uploading.

What features do you think are causing the issue

• Reader
• [X ] Writer
• Styles
• Data Validations
• Formula Calculations
• Charts
• AutoFilter
• Form Elements

Does an issue affect all spreadsheet file formats? If not, which formats are affected?

Which versions of PhpSpreadsheet and PHP are affected?

[Sab-tech-lab]

I hava add library to composer and now the error is:
PHP Fatal error: Uncaught TypeError: ZipStream\ZipStream::__construct(): Argument #1 ($operationMode) must be of type ZipStream\OperationMode, null given,
If downgrade from 3.1.0 => 3.0.2 writing file work

[billynoah]

Running php 8.3.11 here - this is what I did to get things working again:

composer require myclabs/php-enum
composer require maennchen/zipstream-php:3.0.2

As @Sab-tech-lab points out above, ZipStream 3.1.0 (current version at this time) will cause issues. Not sure why php-enum was missing.