Add PHP8 Compatibility

.github/workflows/tests.yml

@@ -0,0 +1,46 @@
+name: tests
+
+on: [ push, pull_request ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ ubuntu-latest ]
+        php: [ 7.4, 8.0, 8.1, 8.2 ]
+        dependency-version: [ prefer-lowest, prefer-stable ]
+        include:
+          - laravel: 9.*
+            testbench: 7.*
+          - laravel: 10.*
+            testbench: 8.*
+
+    name: P${{ matrix.php }} - ${{ matrix.dependency-version }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ~/.composer/cache/files
+          key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip
+          tools: composer:v2
+          coverage: none
+
+      - name: Install dependencies
+        run: |
+          composer install --no-interaction --no-update
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
+
+      - name: Execute tests
+        run: vendor/bin/phpunit --testdox

composer.json

@@ -49,7 +49,7 @@
         }
     },
     "require": {
-        "php": "^7.0 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "ext-curl": "*",
         "ext-json": "*"
     },