Merge branch 'develop' into 'main'

Merging develop into main

See merge request !28

.cspell-project-words.txt

@@ -12,6 +12,7 @@ phpcsignore
 phpcsmodule
 phplintmodule
 phploc
+phpmd
 phpmetrics
 phpmetricsmodule
 phpstanmodule

composer.json

@@ -59,6 +59,7 @@
     "mikey179/vfsstream": "*",
     "php-parallel-lint/php-parallel-lint": "*",
     "phpmd/phpmd": "*",
+    "phpmetrics/phpmetrics": "^2.8",
     "phpspec/prophecy": "*",
     "phpspec/prophecy-phpunit": "*",
     "phpstan/extension-installer": "*",