Error: mime_content_type error in csv reader

[Besmer]

This is:

- [*] 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?

Creating csv reader

What is the current behavior?

mime_content_type(): Argument #2 must be of type resource|string, Illuminate\Http\UploadedFile given

What are the steps to reproduce?

<?php

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

$file = $request->file('spreadsheet');
$reader = IOFactory::createReaderForFile($file->getRealPath());

Which versions of PhpSpreadsheet and PHP are affected?

8.0.5

[Besmer]

I am idiot)
I am create file via path string, but trying to load object

<?php

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

$file = $request->file('spreadsheet');
$reader = IOFactory::createReaderForFile($file->getRealPath());
$reader->setReadDataOnly(true);
$reader->setReadEmptyCells(false);
$reader->load($file);