Add lint on code

.github/workflows/ci.yml

@@ -29,31 +29,26 @@ jobs:
       - name: Composer dependencies
         run: COMPOSER_UPDATE_FLAGS+="${{matrix.composer_update_flags}}" make vendor
 
+      - name: Lint
+        run: find . -name '*.php' ! -path './vendor/' | grep -ve /tests/ -ve /src/ | parallel -j 4 php -l {}
+
       - name: PHPUnit
         run: make phpunit
 
   static-analysis:
     runs-on: ubuntu-latest
     name: Static analysis
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - php: 8.1
-            composer_update_flags: --prefer-lowest
-          - php: 8.1
-          - php: 8.2
 
     steps:
       - uses: actions/checkout@v2
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: "${{ matrix.php }}"
+          php-version: "8.2"
 
       - name: Composer dependencies
-        run: COMPOSER_UPDATE_FLAGS+="${{matrix.composer_update_flags}}" make vendor
+        run: make vendor
 
       - name: Composer validate
         run: make composer-validate

composer.json

@@ -39,8 +39,8 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.9",
-        "phpstan/phpstan": "1.8.2",
-        "phpstan/phpstan-phpunit": "1.1.1",
+        "phpstan/phpstan": "1.10.50",
+        "phpstan/phpstan-phpunit": "1.3.15",
         "phpunit/phpunit": "^10.4.2",
         "symfony/var-dumper": ">=6.3.8"
     }