From d22fe84109d1b8fcfec4a201aa8f9027e4a519f4 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Wed, 6 May 2026 08:02:49 +0200
Subject: [PATCH] name-collision-detector

---
 .github/workflows/lint-workflows.yml | 26 ++++++++++++++++++++++++++
 Makefile                             |  4 ++++
 collision-detector.json              |  3 +++
 composer.json                        |  3 ++-
 4 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 collision-detector.json

diff --git a/.github/workflows/lint-workflows.yml b/.github/workflows/lint-workflows.yml
index 92a5729..3b38a73 100644
--- a/.github/workflows/lint-workflows.yml
+++ b/.github/workflows/lint-workflows.yml
@@ -111,3 +111,29 @@ jobs:
           sarif_file: results.sarif
           category: zizmor
           wait-for-processing: false
+
+  name-collision:
+    name: "Name Collision Detector"
+
+    runs-on: "ubuntu-latest"
+    timeout-minutes: 60
+
+    steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        with:
+          egress-policy: audit
+
+      - name: "Checkout"
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1" # v2
+        with:
+          coverage: "none"
+          php-version: "8.5"
+
+      - uses: "ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520" # v3
+
+      - name: "Name Collision Detector"
+        run: "make name-collision"
diff --git a/Makefile b/Makefile
index b2b6703..6d79b27 100644
--- a/Makefile
+++ b/Makefile
@@ -27,3 +27,7 @@ cs-fix:
 .PHONY: phpstan
 phpstan:
 	php vendor/bin/phpstan analyse -l 8 -c phpstan.neon src tests
+
+name-collision:
+	php vendor/bin/detect-collisions --configuration collision-detector.json
+
diff --git a/collision-detector.json b/collision-detector.json
new file mode 100644
index 0000000..1d85c2b
--- /dev/null
+++ b/collision-detector.json
@@ -0,0 +1,3 @@
+{
+  "scanPaths": ["src", "tests"]
+}
diff --git a/composer.json b/composer.json
index f7c12b5..055e230 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,8 @@
 		"php-parallel-lint/php-parallel-lint": "^1.2",
 		"phpstan/phpstan-deprecation-rules": "^2.0",
 		"phpstan/phpstan-phpunit": "^2.0",
-		"phpunit/phpunit": "^9.6"
+		"phpunit/phpunit": "^9.6",
+		"shipmonk/name-collision-detector": "^2.1"
 	},
 	"config": {
 		"platform": {