refactor ErrorlogHandler

Author: paulbalandan

system/Log/Handlers/ErrorlogHandler.php

@@ -38,14 +38,14 @@ class ErrorlogHandler extends BaseHandler
      * Says where the error should go. Currently supported are
      * 0 (`TYPE_OS`) and 4 (`TYPE_SAPI`).
      *
-     * @var int
+     * @var 0|4
      */
     protected $messageType = 0;
 
     /**
      * Constructor.
      *
-     * @param list<mixed> $config
+     * @param array{handles?: list<string>, messageType?: int} $config
      */
     public function __construct(array $config = [])
     {
@@ -79,6 +79,8 @@ public function handle($level, $message): bool
     /**
      * Extracted call to `error_log()` in order to be tested.
      *
+     * @param 0|4 $messageType
+     *
      * @codeCoverageIgnore
      */
     protected function errorLog(string $message, int $messageType): bool

tests/system/Log/Handlers/ErrorlogHandlerTest.php

@@ -39,6 +39,8 @@ public function testErrorLoggingWithErrorLog(): void
     }
 
     /**
+     * @param array{handles?: list<string>, messageType?: int} $config
+     *
      * @return ErrorlogHandler&MockObject
      */
     private function getMockedHandler(array $config = [])