Implementation of phpfacile/group-by-tag (https://github.com/phpfacile/group-by-tags) with a database as backend (using zend-db). This service can be used to manage items (of any kind) that can be grouped by their tag values.
At the root of your project type
composer require phpfacile/group-by-tags-db
Or add "phpfacile/group-by-tags-db": "^1.0" to the "require" part of your composer.json file
"require": {
"phpfacile/group-by-tags-db": "^1.0"
}