CI improvements, including new checks/tests under PHP 8.3

Author: deminy

.dockerignore

@@ -9,6 +9,7 @@
 
 # Ignore test output
 /.phplint-cache
+/.phplint.cache
 
 # Ignore Docker files
 /Dockerfile

.github/workflows/coding_style_checks.yml

@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run Coding Style Checks
         run: docker run --rm -v "$(pwd):/project" -w /project -i jakzal/phpqa:php8.2 phpcs -v --standard=PSR2 src tests/unit

.github/workflows/syntax_checks.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run Syntax Checks
         run: |

.github/workflows/unit_tests.yml

@@ -8,13 +8,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ["7.3", "7.4", "8.0", "8.1", "8.2"]
+        php: ["7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]
 
     name: Tests Under PHP ${{ matrix.php }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Services
         run: |

.gitignore

@@ -16,6 +16,7 @@
 
 # Ignore test output
 /.phplint-cache
+/.phplint.cache
 
 # Ignore Composer files
 /composer.lock

composer.json

@@ -9,8 +9,8 @@
   "require-dev": {
     "guzzlehttp/guzzle": "~7.0",
     "phpunit/phpunit": "~9.0",
-    "psr/simple-cache": "~1.0",
-    "symfony/cache": "~5.0"
+    "psr/simple-cache": ">=1.0",
+    "symfony/cache": ">=5.0"
   },
   "autoload": {
     "psr-4": {

tests/unit/BasicTest.php

@@ -53,7 +53,7 @@ public function setUp(): void
         BackgroundProcessing::reset();
     }
 
-    public function dataRun(): array
+    public static function dataRun(): array
     {
         $closure = function (int ...$params) {
             self::$counter += array_sum($params);

tests/unit/DockerizedTest.php

@@ -30,7 +30,7 @@
  */
 class DockerizedTest extends TestCase
 {
-    public function dataRun(): array
+    public static function dataRun(): array
     {
         return [
             [