Upgrade to php 8.1 (#36)

* upgrade to php 8.1

* wip

* fix tests

* fix phpunit.xml

* debug CI

* fix test

* remove mate

* fix getBody

* debug CI

* fix CI?

* add waitime

.github/workflows/ci.yml

@@ -1,40 +1,37 @@
 name: CI Backend
 
 on:
-  push:
-    branches:
-      - master
-  pull_request:
+    push:
+        branches:
+            - master
+    pull_request:
 
 concurrency:
-  # Concurrency is only limited on pull requests. head_ref is only defined on PR triggers so otherwise it will use the random run id and always build all pushes.
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
+    # Concurrency is only limited on pull requests. head_ref is only defined on PR triggers so otherwise it will use the random run id and always build all pushes.
+    group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+    cancel-in-progress: true
 
 permissions:
-  contents: read
+    contents: read
 
 jobs:
-  phpunit-tests:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        php-version: [ "7.4", "8.0", "8.1", "8.2" ]
-    steps:
-      -
-        uses: actions/checkout@v3
-      -
-        name: Installing PHP ${{ matrix.php-version }}
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php-version }}
-      -
-        name: Composer Install
-        run: composer install -o
-      -
-        name: Start test server
-        run: php -S 0.0.0.0:8091 ./tests/test-server.php > /dev/null 2>&1 &
-      -
-        name: PHPUnit
-        run: ./vendor/bin/phpunit -c ./tests/phpunit.xml.dist
+    phpunit-tests:
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                php-version: ["8.0", "8.1", "8.2"]
+        steps:
+            - uses: actions/checkout@v3
+            - name: Installing PHP ${{ matrix.php-version }}
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php-version }}
+            - name: Composer Install
+              run: composer install -o
+            - name: Start test server
+              run: php -S 0.0.0.0:8091 ./tests/test-server.php > /dev/null 2>&1 &
+            - name: Waiting for server to start
+              run: sleep 10s
+            - name: PHPUnit
+              run: ./vendor/bin/phpunit -c ./tests/phpunit.xml.dist

composer.json

@@ -9,11 +9,11 @@
 		}
 	],
 	"require": {
-		"php": ">=7.4",
+		"php": ">=8.0",
 		"ext-curl": "*",
 		"ext-json": "*",
 		"vanilla/garden-utils": "^1.1",
-		"psr/http-message": ">=1.0",
+		"psr/http-message": "^1.0",
 		"slim/psr7": "^1.6"
 	},
 	"require-dev": {