Test on 8.1 and 8.2 (#33)

* Test on 8.1 and 8.2

* Bump min phpunit version: sebastianbergmann/phpunit#4575

* Add attribute for newer php versions

* Fix warning about possible missing offset

.github/workflows/test.yml

@@ -24,6 +24,8 @@ jobs:
           - '7.3'
           - '7.4'
           - '8.0'
+          - '8.1'
+          - '8.2'
 
     steps:
       - name: Check out code

composer.json

@@ -48,7 +48,7 @@
         "phpstan/phpstan": "^1.0",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-strict-rules": "^1.0",
-        "phpunit/phpunit": "^8.5 || ^9.0",
+        "phpunit/phpunit": "^8.5.14 || ^9.0",
         "squizlabs/php_codesniffer": "^3.5"
     },
     "scripts": {

src/Compiler.php

@@ -263,6 +263,7 @@ private function makeNameForKey(string $key): string
     private function tryToMakePathWritable(string $destFile): void
     {
         $pathInfo = pathinfo($destFile);
+        assert(array_key_exists('dirname', $pathInfo));
 
         if (is_writable($pathInfo['dirname'])) {
             // Directory exists and is writable, should be ok.

tests/Fixtures/SessionHandler.php

@@ -40,6 +40,7 @@ public function destroy($session_id): bool
      * @param int $maxlifetime
      * @return int|false
      */
+    #[\ReturnTypeWillChange]
     public function gc($maxlifetime)
     {
         return 0;