dev: add PHPStan (#480)

Author: Soare-Robert-Daniel

.distignore

@@ -21,6 +21,8 @@ artifact
 composer.json
 composer.lock
 .idea
+phpstan.neon
+phpstan-baseline.neon
 **/*.css.map
 .DS_Store
 .gitkeep

.github/workflows/test-php.yml

@@ -30,3 +30,19 @@ jobs:
           npm run test:unit:php
         env:
           GITHUB_TOKEN: ${{ secrets.BOT_TOKEN }}
+  phpstan:
+    name: PHPStan
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup PHP version
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "7.4"
+          extensions: simplexml
+      - name: Checkout source code
+        uses: actions/checkout@v4
+      - name: Install composer
+        run: |
+          composer install --no-progress
+      - name: Run phpstan
+        run: composer run phpstan

composer.json

@@ -10,6 +10,10 @@
             "homepage": "https://themeisle.com"
         }
     ],
+    "scripts": {
+        "phpstan": "phpstan",
+        "phpstan:generate:baseline": "phpstan --generate-baseline"
+    },
     "minimum-stability": "dev",
     "prefer-stable": true,
     "config": {
@@ -36,6 +40,10 @@
     "require-dev": {
         "phpunit/phpunit": "^8.5",
         "yoast/phpunit-polyfills": "^2.0",
-        "codeinwp/phpcs-ruleset": "dev-main"
+        "codeinwp/phpcs-ruleset": "dev-main",
+        "phpstan/phpstan": "^1.12",
+        "szepeviktor/phpstan-wordpress": "^1.3",
+        "php-stubs/woocommerce-stubs": "^10.1",
+        "damian-elenbaas/elementor-stubs": "^3.31"
     }
 }