diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
new file mode 100644
index 000000000..09a35c906
--- /dev/null
+++ b/.github/workflows/phpstan.yml
@@ -0,0 +1,42 @@
+name: PHPStan
+
+on:
+  push:
+  pull_request:
+  workflow_call:
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
+
+jobs:
+  phpstan:
+    name: Analyze
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+        php-versions: ['7.4', '8.3']
+
+    steps:
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+    
+      - uses: actions/checkout@v4
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --ignore-platform-req=ext-*
+
+      - name: PHPStan Static Analysis
+        run: XDEBUG_MODE=off php vendor/bin/phpstan.phar analyze