Imprvoe PHP version requirements

Author: peter279k

.github/workflows/pr.yml

@@ -100,9 +100,9 @@ jobs:
           restore-keys: "composer-cache"
       - name: "Install lowest dependencies"
         if: ${{ matrix.dependencies == 'lowest' }}
-        run: "composer update ${{ env.COMPOSER_FLAGS }} --prefer-lowest --ignore-platform-reqs"
+        run: "composer update ${{ env.COMPOSER_FLAGS }} --prefer-lowest"
       - name: "Install highest dependencies"
         if: ${{ matrix.dependencies == 'highest' }}
-        run: "composer update ${{ env.COMPOSER_FLAGS }} --ignore-platform-reqs"
+        run: "composer update ${{ env.COMPOSER_FLAGS }}"
       - name: "Run PHPUnit"
         run: "vendor/bin/phpunit --testdox --coverage-text"

composer.json

@@ -24,7 +24,7 @@
         }
     },
     "require": {
-        "php": ">=7.4",
+        "php": "^7.4|^8.0",
         "ext-json": "*"
     },
     "scripts": {