name-collision-detector

.github/workflows/lint.yml

@@ -134,3 +134,25 @@ jobs:
 
       - name: "Composer Require Checker"
         run: "make composer-require-checker"
+
+  name-collision:
+    name: "Name Collision Detector"
+
+    runs-on: "ubuntu-latest"
+    timeout-minutes: 60
+
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v3
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          php-version: "8.2"
+
+      - name: "Install dependencies"
+        run: "composer install --no-interaction --no-progress"
+
+      - name: "Name Collision Detector"
+        run: "make name-collision"

Makefile

@@ -71,3 +71,6 @@ phpstan-pro:
 
 composer-require-checker:
 	php build/composer-require-checker.phar check --config-file $(CURDIR)/build/composer-require-checker.json
+
+name-collision:
+	php vendor/bin/detect-collisions

collision-detector.json

@@ -0,0 +1,14 @@
+{
+	"scanPaths": ["src", "build", "tests"],
+	"excludePaths": [
+		"tests/PHPStan/Analyser/data/parse-error.php",
+		"tests/PHPStan/Analyser/data/multipleParseErrors.php",
+		"tests/PHPStan/Parser/data/cleaning-1-before.php",
+		"tests/PHPStan/Parser/data/cleaning-1-after.php",
+		"tests/PHPStan/Rules/Functions/data/duplicate-function.php",
+		"tests/PHPStan/Rules/Classes/data/duplicate-class.php",
+		"tests/notAutoloaded",
+		"tests/PHPStan/Rules/Functions/data/define-bug-3349.php",
+		"tests/PHPStan/Levels/data/stubs/function.php"
+	]
+}

composer.json

@@ -60,7 +60,8 @@
 		"phpstan/phpstan-phpunit": "^1.0",
 		"phpstan/phpstan-strict-rules": "^1.5.1",
 		"phpunit/phpunit": "^9.5.4",
-		"rector/rector": "^0.17"
+		"rector/rector": "^0.17",
+		"shipmonk/name-collision-detector": "dev-master"
 	},
 	"config": {
 		"platform": {