switch to github actions (#44)

* switch to github actions

* bump php-cs-fixer version

* remove 8.0 from matrix

.github/workflows/tests.yml

@@ -0,0 +1,39 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        php: [7.1, 7.2, 7.3, 7.4]
+        stability: [prefer-lowest, prefer-stable]
+
+    name: PHP ${{ matrix.php }} - ${{ matrix.stability }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip
+          coverage: none
+
+      - name: Install dependencies
+        run: composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-progress
+
+      - name: Run PHP CS Fixer
+        run: composer test:style
+
+      - name: Execute tests
+        run: composer test:unit

README.md

@@ -17,9 +17,9 @@
         alt="GitHub tag (latest SemVer)" 
         src="https://img.shields.io/github/tag/goldspecdigital/oooas.svg"
     ></a>
-    <a href="https://travis-ci.com/goldspecdigital/oooas"><img 
+    <a href="https://github.com/goldspecdigital/oooas/actions"><img 
         alt="Build status"
-        src="https://travis-ci.com/goldspecdigital/oooas.svg?branch=master" 
+        src="https://github.com/goldspecdigital/oooas/workflows/Tests/badge.svg" 
     ></a>
     <a href="https://packagist.org/packages/goldspecdigital/oooas"><img 
         alt="Packagist" 

composer.json

@@ -31,7 +31,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^7.3",
-    "friendsofphp/php-cs-fixer": "^2.15",
+    "friendsofphp/php-cs-fixer": "^2.17",
     "justinrainbow/json-schema": "^5.2"
   },
   "suggest": {