Create Reusable PHP build workflow

.github/workflows/php-build.yml

@@ -4,30 +4,68 @@ name: PHP Build
 on: 
   workflow_call:
     inputs:
-      cache-deps:
-        description: ''
+      cache_deps:
+        description: 'Whether to cache composer dependencies'
         default: true
         required: false
         type: boolean
-      php-version:
-        description: ''
-        default: 
+      php_versions:
+        description: 'The PHP versions to create builds for (as JSON string array)'
+        default: '["latest"]'
         required: false
         type: string
-      upload-artifact:
-        description: ''
+      upload_artifact:
+        description: 'Whether to upload the build archive for reuse (filename format e.g. build-archive-php8.1)'
         default: true
         required: false
         type: boolean
 
 jobs:
   build:
-    name: ''
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: ${{ fromJSON(inputs.php_versions) }}
+
+    name: 'PHP ${{ matrix.php }} - Build and Archive'
     steps:
       - uses: actions/checkout@v4
 
       - name: Validate composer.json and composer.lock
         uses: php-actions/composer@v6
         with:
           command: validate
+
+      - name: Cache Composer Dependencies
+        if: ${{ inputs.cache_deps == 'true' }}
+        id: composer-cache
+        uses: actions/cache@v3
+        with:
+          path: ./src/vendor
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+
+      - name: Install Composer Dependencies
+        if: ${{ inputs.cache_deps != 'true' || steps.composer-cache.outputs.cache-hit != 'true' }}
+        uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php }}
+
+      - name: Create Build Archive
+        run: |
+          cp ./src/config-sample.php ./src/config.php
+          mkdir -p ./src/data/cache
+          mkdir -p ./src/data/log
+          echo > ./src/data/log/license.log
+          echo > ./src/data/log/application.log
+          echo > ./src/data/log/php_error.log
+          mkdir /tmp/builds/ && tar -cvf /tmp/builds/build.tar ./
+
+      - name: Upload Build Archive
+        if: ${{ inputs.upload_artifact == 'true' }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-archive-php${{ matrix.php }}
+          path: /tmp/builds
+          retention-days: 1