Add PHP 8 features

.github/workflows/tests.yml

@@ -0,0 +1,38 @@
+name: "Test"
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-versions: [ '8.0', '8.1' ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, intl
+          coverage: xdebug
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+      - name: Cache composer dependencies
+        uses: actions/cache@v1
+        with:
+            path: ${{ steps.composer-cache.outputs.dir }}
+            key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+            restore-keys: ${{ runner.os }}-composer-
+      - name: Install Composer dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+      - name: Check code style
+        run: vendor/bin/php-cs-fixer fix --dry-run --show-progress=dots --verbose --diff
+      - name: Run static analysis
+        run: vendor/bin/phpstan
+      - name: Test with phpunit
+        run: vendor/bin/phpunit --configuration phpunit.xml.dist --coverage-text

.gitignore

@@ -1,3 +1,4 @@
 vendor/
 phpunit.xml
 /.phpunit.result.cache
+/.php-cs-fixer.cache

.php-cs-fixer.dist.php

@@ -0,0 +1,47 @@
+<?php
+# https://github.com/FriendsOfPHP/PHP-CS-Fixer/blob/3.0/doc/rules/index.rst
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(['src', 'tests'])
+    ->exclude(['vendor'])
+;
+
+return (new PhpCsFixer\Config())
+    ->setRules([
+        '@Symfony' => true,
+        '@PHP81Migration' => true,
+        'blank_line_after_namespace' => true,
+        'blank_line_after_opening_tag' => true,
+        'blank_line_before_statement' => true,
+        'constant_case' => true,
+        'increment_style' => false,
+        'lowercase_keywords' => true,
+        'normalize_index_brace' => true,
+        'no_closing_tag' => true,
+        'no_extra_blank_lines' => true,
+        'no_singleline_whitespace_before_semicolons' => true,
+        'no_spaces_after_function_name' => true,
+        'no_spaces_around_offset' => true,
+        'no_superfluous_phpdoc_tags' => false,
+        'no_unused_imports' => true,
+        'no_useless_else' => true,
+        'no_whitespace_before_comma_in_array' => true,
+        'no_whitespace_in_blank_line' => true,
+        'ordered_class_elements' => true,
+        'ordered_imports' => true,
+        'phpdoc_add_missing_param_annotation' => true,
+        'phpdoc_align' => false,
+        'phpdoc_order' => true,
+        'phpdoc_separation' => false,
+        'phpdoc_summary' => false,
+        'phpdoc_to_comment' => false,
+        'protected_to_private' => true,
+        'single_blank_line_at_eof' => true,
+        'single_blank_line_before_namespace' => true,
+        'single_line_comment_style' => false,
+        'single_line_throw' => false,
+        'single_quote' => false,
+        'single_trait_insert_per_statement' => true,
+        'whitespace_after_comma_in_array' => true,
+    ])
+    ->setFinder($finder);

composer.json

@@ -7,6 +7,7 @@
         {"name": "Johannes M. Schmitt", "email": "[email protected]"}
     ],
     "require": {
+        "php": "^8.0",
         "phpoption/phpoption": "1.*"
     },
     "autoload": {
@@ -20,6 +21,13 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5"
+        "phpunit/phpunit": "^9.5",
+        "phpstan/phpstan": "^1.6",
+        "friendsofphp/php-cs-fixer": "^3.8"
+    },
+    "scripts": {
+        "analyse": "vendor/bin/phpstan analyse -c phpstan.neon -vvv --ansi",
+        "format": "vendor/bin/php-cs-fixer fix --show-progress=dots --verbose --diff",
+        "test": "vendor/bin/phpunit"
     }
 }