Run phpstan

.gitattributes

@@ -6,6 +6,7 @@
 .gitignore          export-ignore
 CHANGELOG.md        export-ignore
 phpcs.xml.dist      export-ignore
+phpstan.neon.dist   export-ignore
 phpunit.xml.dist    export-ignore
 README.md           export-ignore
 

.github/workflows/static.yml

@@ -27,5 +27,44 @@ jobs:
           max_attempts: 5
           command: composer update --no-interaction --no-progress
 
+      - name: Install PHP CodeSniffer
+        uses: nick-invision/retry@v1
+        with:
+          timeout_minutes: 5
+          max_attempts: 5
+          command: composer bin phpcs update --no-interaction --no-progress
+
       - name: Execute PHP CodeSniffer
         run: vendor/bin/phpcs
+
+  phpstan:
+    name: PHPStan
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          tools: composer:v2
+          coverage: none
+
+      - name: Install Dependencies
+        uses: nick-invision/retry@v1
+        with:
+          timeout_minutes: 5
+          max_attempts: 5
+          command: composer update --no-interaction --no-progress
+
+      - name: Install PHPStan
+        uses: nick-invision/retry@v1
+        with:
+          timeout_minutes: 5
+          max_attempts: 5
+          command: composer bin phpstan update --no-interaction --no-progress
+
+      - name: Execute PHPStan
+        run: vendor/bin/phpstan analyze --no-progress

.gitignore

@@ -1,4 +1,5 @@
 composer.lock
 phpcs.xml
+phpstan.neon
 phpunit.xml
-/vendor
+vendor

Makefile

@@ -1,8 +1,10 @@
 install:
 	composer update
+	composer bin all update
 
 test:
 	vendor/bin/phpunit
+	vendor/bin/phpstan analyze
 	vendor/bin/phpcs
 
 fix:

composer.json

@@ -24,8 +24,8 @@
         "wrench/wrench": "^2.0"
     },
     "require-dev":{
+        "bamarni/composer-bin-plugin": "^1.4.1",
         "phpunit/phpunit": "^6.5.14",
-        "squizlabs/php_codesniffer": "^3.5.8",
         "symfony/var-dumper": "^3.3|^4.0|^5.0"
     },
     "autoload":{

phpstan.neon.dist

@@ -0,0 +1,6 @@
+parameters:
+    level: 1
+
+    paths:
+        - src
+        - tests

vendor-bin/phpcs/composer.json

@@ -0,0 +1,8 @@
+{
+    "require": {
+        "squizlabs/php_codesniffer": "3.5.8"
+    },
+    "config": {
+        "preferred-install": "dist"
+    }
+}

vendor-bin/phpstan/composer.json

@@ -0,0 +1,8 @@
+{
+    "require": {
+        "phpstan/phpstan": "0.12.59"
+    },
+    "config": {
+        "preferred-install": "dist"
+    }
+}