Add CI workflow for PHP project

Author: WizardLoop

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.2
+          tools: composer:v2
+
+      - name: Validate composer.json
+        run: composer validate --strict
+        continue-on-error: true
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-interaction
+        continue-on-error: true
+
+      - name: PHP Syntax check
+        run: find src -name "*.php" -exec php -l {} \;
+        continue-on-error: true