Merge pull request #25 from potherca-contrib/update/slevomat-coding-standard-to-8.20

Update slevomat/coding-standard to allow versions up to v8.20

Author: aboks

.github/workflows/ci.yml

@@ -13,11 +13,22 @@ jobs:
 
         strategy:
             matrix:
-                php-version: [ '7.3', '7.4', '8.0', '8.1', '8.2' ]
+                php-version:
+                    - 7.3  # from 2018-12 to 2020-12 (2021-12)
+                    - 7.4  # from 2019-11 to 2021-11 (2022-11)
+                    - 8.0  # from 2020-11 to 2022-11 (2023-11)
+                    - 8.1  # from 2021-11 to 2023-11 (2025-12)
+                    - 8.2  # from 2022-12 to 2024-12 (2026-12)
+                    - 8.3  # from 2023-11 to 2025-12 (2027-12)
+                    - 8.4  # from 2024-11 to 2026-12 (2028-12)
+                    - 8.5  # from 2025-11 to 2027-12 (2029-12)
+
+        # Prevent unsupported versions of PHP to fail the CI run
+        continue-on-error: ${{ contains(fromJson('[ "7.3", "7.4", "8.0", "8.1", "8.2" ]'), matrix.php-version) == false }}
 
         steps:
             - name: Checkout code
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
 
             - name: Setup PHP
               uses: shivammathur/setup-php@v2

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": "^7.1 || ^8.0",
         "squizlabs/php_codesniffer": "^3.0.0",
-        "slevomat/coding-standard": "^6.0 || ^7.0 || ^8.0 <= 8.15.0"
+        "slevomat/coding-standard": "^6.0 || ^7.0 || ^8.0 <= 8.20.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.5.12"