Awesome

<h1 align="center" style="border:none !important"> <code>M2 PHP version compatibility check</code> <br> <br> </h1>

How To use

Requires PHP 7.3+ | PHP 8

This app will run PHP_CodeSniffer with phpcompatibility/php-compatibility on the M2 doc root

Clone this repository OR download the compiled audit file to a location where it can access a Magento 2 installation OR
wget https://github.com/willtran/magento2-php-8-compatibility-check/raw/main/audit and chmod u+x audit
adjust --threads option for faster result
Notes: does not work with symlinks

Description:
  Check all module in an m2 application for PHP8 compatibility

Usage:
  check:all [options] [--] <root-dir>

Arguments:
  root-dir

Options:
      --php-version[=PHP-VERSION]   [default: "8.1"]
      --threads[=THREADS]           [default: "4"]

Sample: ./audit check:all /var/projects/magento2 --threads=16

Alt text

+---------------------------------+----------------------------------------------------------+---------------+
| Module Name                     | Module Dir                                               | Compatiblity  |
+---------------------------------+----------------------------------------------------------+---------------+
| 'Justuno_Core'                  | vendor/justuno.com/core                                  | OK            |
| 'MSP_TwoFactorAuth'             | vendor/msp/twofactorauth                                 | OK            |
| 'MagePal_Reindex'               | vendor/magepal/magento2-reindex                          | OK            |
| 'Vertex_AddressValidationApi'   | vendor/vertexinc/module-address-validation-api           | OK            |
...
| vendor/snowdog/theme-blank-sass | vendor/snowdog/theme-blank-sass                          | OK            |
| 'Justuno_M2'                    | vendor/justuno.com/m2                                    | General error |
+---------------------------------+----------------------------------------------------------+---------------+