upgrade to PHP 8 (#17)

* add .uuid files to git ignore list

* update composer dependencies to PHP ^8.1 and php-sap/interfaces ^4.1

* refactor API classes for restructured interfaces

* add parameter and return types #16

* add phpstan.neon

* switch to php-sap/interfaces:dev-main for development

* simplify regex in ConfigCommon.php

* fix typos in ConfigCommon.php

* adapt API classes to new interfaces

* fix inheritance loop in AbstractConfiguration::jsonDecode()

* adapt Configuration and Function classes and tests

* fix errors reported by phpstan

* remove $allowedKeys in favor of method getAllowedKeys()

* clarify types in AbstractFunction.php

* refactor Config classes for new interface and use traits instead of inheritance

* refactor JsonSerializable to new interfaces

* remove constructors from Value and Members and from the MembersTrait

* setMembers() now accepts objects and arrays of objects as parameter

* replace AbstractFunction constructor with factory and adapt to new interfaces

* update php-sap/interfaces

* ignore PHPStan errors from get() methods

* fix setMembers() parameter type hint

* ignore PHPStan error that json_decode() returns mixed in JsonSerializable::jsonDecode()

* refactor src and tests and adapt for phpstan

* change to new github workflow

* fix spacing for psr12

Author: gregor-j

.gitattributes

@@ -5,5 +5,6 @@ tests/          export-ignore
 .gitignore      export-ignore
 .phpcs.xml      export-ignore
 composer.*      export-ignore
+phpstan.neon    export-ignore
 phpunit.xml     export-ignore
 README.md       export-ignore

.github/workflows/main.yml

@@ -0,0 +1,80 @@
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+permissions:
+  contents: "read"
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # composer validation
+  composer:
+    name: "composer config validation"
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v3"
+      - name: "Validate composer.json"
+        run: "composer validate --strict"
+  # PHP lint and PHPStan for different PHP versions
+  php:
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        php-version:
+          - "8.1"
+          - "8.2"
+          - "8.3"
+    name: "PHP ${{ matrix.php-version }}"
+    steps:
+      - name: "git checkout"
+        uses: "actions/checkout@v3"
+      - name: "setup PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: "xdebug"
+      - name: "check PHP version"
+        run: "php -v"
+      - name: "lint PHP files"
+        run: "php -l exceptions/ src/ tests/"
+      - name: "install composer dependencies"
+        run: "composer install --prefer-dist --no-progress"
+      # PHPStan
+      - name: "PHPStan static analysis"
+        uses: "php-actions/phpstan@v3"
+        with:
+          php_version: "${{ matrix.php-version }}"
+          configuration: "phpstan.neon"
+          path: "exceptions/ src/ tests/"
+  # run unit tests
+  phpunit:
+    runs-on: "ubuntu-latest"
+    env:
+      CC_TEST_REPORTER_ID: "b6d85f5dc7af90e89653c56b04866b27d98b35e84c2ff9a5d9499bbb53469cbf"
+    name: "PHPUnit"
+    steps:
+      - name: "git checkout"
+        uses: "actions/checkout@v3"
+      - name: "setup PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.1"
+          coverage: "xdebug"
+      - name: "check PHP version"
+        run: "php -v"
+      - name: "install composer dependencies"
+        run: "composer install --prefer-dist --no-progress"
+      - name: "CodeClimate reporter setup"
+        run: |
+          curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+          chmod +x ./cc-test-reporter
+          ./cc-test-reporter before-build
+      - name: "run PHPUnit"
+        run: |
+          php vendor/bin/phpunit --coverage-clover clover.xml --coverage-text
+          ./cc-test-reporter after-build -t clover --exit-code $?

.github/workflows/php.yml

@@ -1,2 +1,3 @@
 vendor/
 /.phpunit.result.cache
+.uuid

.gitignore

@@ -17,9 +17,10 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": ">=7.4",
+    "php": "^8.1",
     "ext-json": "*",
-    "php-sap/interfaces": "^4.0"
+    "php-sap/interfaces": "dev-main",
+    "php-sap/datetime": "^1.5"
   },
   "autoload": {
     "psr-4": {