Add PHP 8 support (#2)

Author: dmason30

.github/workflows/psalm.yml

@@ -16,7 +16,7 @@ jobs:
             - name: Setup PHP
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '7.4'
+                  php-version: '8.0'
                   extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
                   coverage: none
 
@@ -30,4 +30,4 @@ jobs:
               run: composer install -n --prefer-dist
 
             - name: Run psalm
-              run: ./vendor/bin/psalm -c psalm.xml
+              run: ./vendor/bin/psalm -c psalm.xml --shepherd --stats

.github/workflows/run-tests.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        php: [7.4, 7.3]
+        php: [8.0, 7.4, 7.3]
         laravel: [8.*]
         dependency-version: [prefer-lowest, prefer-stable]
 
@@ -34,8 +34,8 @@ jobs:
 
       - name: Install dependencies
         run: |
-          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
-          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+          composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update --ignore-platform-reqs
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --ignore-platform-reqs
 
       - name: Execute tests
         run: vendor/bin/phpunit

composer.json

@@ -17,14 +17,13 @@
         }
     ],
     "require": {
-        "php": ">=7.3",
+        "php": "^7.3|^8.0",
         "illuminate/database": "^8.0",
         "illuminate/support": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.0",
-        "psalm/plugin-laravel": "^1.4",
-        "vimeo/psalm": "^4.0"
+        "phpunit/phpunit": "^9.4",
+        "vimeo/psalm": "^4.1"
     },
     "autoload": {
         "psr-4": {

psalm.xml

@@ -18,7 +18,7 @@
     <issueHandlers>
     </issueHandlers>
 
-    <plugins>
-        <pluginClass class="Psalm\LaravelPlugin\Plugin"/>
-    </plugins>
+<!--    <plugins>-->
+<!--        <pluginClass class="Psalm\LaravelPlugin\Plugin"/>-->
+<!--    </plugins>-->
 </psalm>