beautify git workflow, use proper parameter and return types

.github/workflows/main.yml

@@ -15,38 +15,43 @@ on:
 jobs:
   # Composer config validation
   composer:
-    name: Composer config validation
-    runs-on: ubuntu-latest
+    name: "Composer config validation"
+    runs-on: "ubuntu-latest"
     steps:
-      - uses: actions/checkout@v3
-      - name: Validate composer.json
-        run: composer validate --strict
+      - uses: "actions/checkout@v3"
+      - name: "Validate composer.json"
+        run: "composer validate --strict"
 
   # PHP syntax validation
   php:
-    name: PHP syntax validation
-    runs-on: ubuntu-latest
+    name: "PHP syntax validation"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        php_version: [ 8.0, 8.1, 8.2, 8.3 ]
     steps:
-      - uses: actions/checkout@v3
-      - name: Check PHP syntax of config/phinx.php
-        run: php -l src/
+      - uses: "actions/checkout@v3"
+      - uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php_version }}"
+      - name: "Check PHP syntax of package"
+        run: "php -l src/"
 
   # phpstan for several php versions
   phpstan:
-    runs-on: ubuntu-latest
+    runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        php_version: [8.1, 8.2, 8.3]
+        php_version: [8.0, 8.1, 8.2, 8.3]
     steps:
-      - uses: actions/checkout@v3
-      - uses: php-actions/composer@v6
+      - uses: "actions/checkout@v3"
+      - uses: "php-actions/composer@v6"
         with:
-          php_version: ${{ matrix.php_version }}
-          php_extensions: redis intl
+          php_version: "${{ matrix.php_version }}"
+          php_extensions: "redis intl"
 
-      - name: PHPStan Static Analysis
-        uses: php-actions/phpstan@v3
+      - name: "PHPStan Static Analysis"
+        uses: "php-actions/phpstan@v3"
         with:
-          php_version: ${{ matrix.php_version }}
-          configuration: phpstan.neon
-          path: src/
+          php_version: "${{ matrix.php_version }}"
+          configuration: "phpstan.neon"

phpstan.neon

@@ -1,7 +1,5 @@
 parameters:
     level: 9
-    treatPhpDocTypesAsCertain: false
-    checkGenericClassInNonGenericObjectType: false
     ignoreErrors:
         -
             message: '#Call to an undefined method Predis\\Client::[a-zA-Z0-9\\_]+\(\)#'

src/Cache/Engine/PredisEngine.php

@@ -78,7 +78,7 @@ class PredisEngine extends CacheEngine
      * @param array<string, mixed> $config array of setting for the engine
      * @return bool True if the engine has been successfully initialized, false if not
      */
-    public function init($config = array()): bool
+    public function init(array $config = []): bool
     {
         if (!class_exists('\Predis\Client')) {
             return false;
@@ -302,7 +302,7 @@ public function deleteAsync(string $key): bool
      * @param bool $check
      * @return bool
      */
-    public function clear($check = false): bool
+    public function clear(bool $check = false): bool
     {
         if ($check) {
             return true;
@@ -337,7 +337,7 @@ public function clearBlocking(): bool
         while (true) {
             $keys = $this->_Redis->scan($iterator, $pattern);
 
-            if ($keys === false) {
+            if (empty($keys)) {
                 break;
             }