build on Github

.github/workflows/main.yml

@@ -0,0 +1,71 @@
+name: CI build
+on: [ push, pull_request ]
+jobs:
+    build:
+        name: PHP ${{ matrix.php-versions }} on ${{ matrix.operating-system }} ${{ matrix.extra-label }} ${{ matrix.composer-dependencies }}
+        runs-on: ${{ matrix.operating-system }}
+        strategy:
+            fail-fast: false
+            matrix:
+                operating-system: [ ubuntu-latest ]
+                php-versions: [ '7.4', '8.0' ]
+                composer-dependencies: [ '', '--prefer-lowest' ]
+                composer-version: [ 'v1' ]
+                symfony-version: [ '' ]
+                extra-label: [ '' ]
+                include:
+                    # Composer v2
+                    -   php-versions: '7.4'
+                        operating-system: ubuntu-latest
+                        composer-version: 'v2'
+                        extra-label: 'Composer v2'
+
+                    # Windows
+                    -   php-versions: '7.4'
+                        operating-system: windows-latest
+                        coverage: xdebug
+
+                    # Windows
+                    -   php-versions: '8.0'
+                        operating-system: windows-latest
+                        coverage: xdebug
+
+        steps:
+            # see https://github.com/actions/checkout/issues/226#issue-606867805
+            -   name: Prepare git
+                run: git config --global core.autocrlf false
+
+            -   name: Checkout
+                uses: actions/checkout@v2
+
+            -   name: Setup PHP, with composer and extensions
+                uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
+                with:
+                    php-version: ${{ matrix.php-versions }}
+                    ini-values: memory_limit=-1
+                    tools: composer:${{ matrix.composer-version }}
+                    coverage: ${{ matrix.coverage }}
+
+            -   name: Get composer cache directory
+                id: composer-cache
+                run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+            -   name: Cache dependencies
+                uses: actions/cache@v2
+                with:
+                    path: ${{ steps.composer-cache.outputs.dir }}
+                    key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+                    restore-keys: ${{ runner.os }}-composer-
+
+            -   name: Install Composer dependencies
+                run: composer update --no-progress --prefer-dist --optimize-autoloader ${{ matrix.composer-dependencies }}
+
+            -   name: Run Build
+                run: composer run build
+
+            - name: Upload coverage results to Coveralls
+              env:
+                  COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              run: |
+                  composer global require php-coveralls/php-coveralls --no-progress --prefer-dist --optimize-autoloader
+                  php-coveralls --coverage_clover=build/logs/clover.xml -v