PHP 8 Compatibility

Overview

To ensure that our journey to PHP 8 compatibility is visible and transparent, we are launching the Magneto PHP 8 Compatibility Community Project!

The mainline for the project is php8-develop branch that should be available for all affected Magento repositories.

• Target branch php8-develop
• Project label Project: PHP8
• Backlog is available on PHP 8 Compatibility backlog project board
• Pull requests can be viewed on PHP 8 Compatibility PRs project board
• Project slack channel: #php8

Dependency versions updated in php8-develop branch

Dependency	2.4-develop version	php8-develop version	Pull request	Functionality
wikimedia/less.php	1.8.2	v3.1.0	https://github.com/magento/magento2/pull/31579	Less processing
phpstan/phpstan	0.12.23	0.12.77	https://github.com/magento/magento2/pull/30581	Static tests
pelago/emogrifier	3.1.0	5.0.0	https://github.com/magento/magento2/pull/31772	Email styles
laminas/laminas-validator	2.13.4	2.14.4	https://github.com/magento/magento2/pull/31797	Url validation
tedivm/jshrink	1.3.3	1.4.0	https://github.com/magento/magento2/pull/31800	Javascript minifiaction
laminas/laminas-config	2.6.0	3.4.0	https://github.com/magento/magento2/pull/31856	Not used in Magento. Removed as 1st level dependency
friendsofphp/php-cs-fixer	2.16.10	2.18.2	https://github.com/magento/magento2/pull/31858	Static tests
elasticsearch/elasticsearch	7.7.0	7.11.0	https://github.com/magento/magento2/pull/32210	Elasticsearch
laminas/laminas-crypt	2.6.0	3.4.0	https://github.com/magento/magento2/pull/32200	Enchryption
laminas/laminas-math	2.7.1	3.3.2	https://github.com/magento/magento2/pull/32200	Enchryption
laminas/laminas-json	2.6.1	3.2.0	https://github.com/magento/magento2/pull/32198	Serialization
laminas/laminas-di	2.6.1	3.2.0	https://github.com/magento/magento2/pull/31854	DI
laminas/laminas-servicemanager	2.7.0	3.6.0	https://github.com/magento/magento2/pull/31854	DI
laminas/laminas-mvc	2.7.0	3.2.0	https://github.com/magento/magento2/pull/31854	MVC
laminas/laminas-db	2.11.3	2.12.0	https://github.com/magento/magento2/pull/32330	DB
laminas/laminas-code	3.4.1	3.5.1	https://github.com/magento/magento2/pull/32209	Reflection
laminas/laminas-mime	2.5.0	2.8.0	https://github.com/magento/magento2/pull/32337	Mime
laminas/laminas-view	2.11.2	2.12.0	https://github.com/magento/magento2/pull/32314	View
laminas/laminas-feed	2.9.0	2.13.0	https://github.com/magento/magento2/pull/32473
laminas/laminas-log	2.12.0	Removed	https://github.com/magento/magento2/pull/32513
laminas/laminas-console	-	Removed	https://github.com/magento/magento2/pull/32432
laminas/laminas-serializer	2.7.2	Removed	https://github.com/magento/magento2/pull/32513
laminas/laminas-captcha	2.7.1	2.10.0	https://github.com/magento/magento2/pull/32537
laminas/laminas-form	2.7.1	Removed	https://github.com/magento/magento2/pull/32513
laminas/laminas-filter	Added	2.11	https://github.com/magento/magento2/pull/32513
laminas/laminas-session	2.7.3	2.10	https://github.com/magento/magento2/pull/32513

Backward incompatible changes list

Description	Dependency	Pull request
Magento\Email\Model\Template\Filter constructor parameters changed	pelago/emogrifier	https://github.com/magento/magento2/pull/31772
Magento\Widget\Model\Template\Filter constructor parameters changed (inheritance)	pelago/emogrifier	https://github.com/magento/magento2/pull/31772
Magento\Email\Model\Template\Filter::getCssFilesContent function throws exception instead of returning exception message in the content	pelago/emogrifier	https://github.com/magento/magento2/pull/31772
Magento\Email\Model\Template\Filter::$emogrifier protected property has been removed	pelago/emogrifier	https://github.com/magento/magento2/pull/31772
\Magento\PhpStan\Formatters\FilteredErrorFormatter does not extend \PHPStan\Command\ErrorFormatter\TableErrorFormatter	phpstan/phpstan	https://github.com/magento/magento2/pull/32215
dev/tests/static/testsuite/Magento/Test/Php/_files/phpstan/phpstan.neon configuration updated	phpstan/phpstan	https://github.com/magento/magento2/pull/32215

Additional changes

• phpcs:disable PHPCompatibility.Miscellaneous.RemovedAlternativePHPTags.MaybeASPOpenTagFound added to the files that include underscore template syntax
• Removed usages of ReflectionParameter::getClass deprecated method
• Removed setup wizard assets
• T_NAME_QUALIFIED and T_NAME_FULLY_QUALIFIED global constants defined (if not yet) for laminas-code to properly function on PHP 7.3/7.4