Run tests in more php versions (#50)

* Run tests in more php versions

* Update continuous-integration.yml

* Update continuous-integration.yml

* Declare php 8 support

Author: staabm

.github/workflows/continuous-integration.yml

@@ -19,7 +19,7 @@ jobs:
         uses: "actions/checkout@v2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@v1"
+        uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
           extensions: "simplexml"
@@ -35,16 +35,26 @@ jobs:
     name: "Tests"
 
     runs-on: "ubuntu-latest"
+    
+    strategy:
+      matrix:
+        php-version:
+          - "7.0"
+          - "7.1"
+          - "7.2"
+          - "7.3"
+          - "7.4"
+          - "8.0"
 
     steps:
       - name: "Checkout"
         uses: "actions/checkout@v2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@v1"
+        uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
           extensions: "simplexml"
-          php-version: "7.0"
+          php-version: "${{ matrix.php-version }}"
 
       - run: php tests/tests.php

composer.json

@@ -2,7 +2,7 @@
   "name": "staabm/annotate-pull-request-from-checkstyle",
   "license" : "MIT",
   "require" : {
-    "php"          : "^7.0",
+    "php"          : "^7.0 || ^8.0",
     "ext-simplexml" : "*"
   },
   "require-dev" : {