Code style fixes

app/loggerconfig.example.php

@@ -8,17 +8,17 @@
  * @link         https://www.phptesting.org/
  */
 
-return array(
+return [
     /** Loggers attached to every command */
     "_" => function() {
-        return array(
+        return [
             new \Monolog\Handler\StreamHandler(__DIR__ . DIRECTORY_SEPARATOR . 'errors.log', \Monolog\Logger::ERROR),
-        );
+        ];
     },
     /** Loggers for the RunCommand */
     'RunCommand' => function() {
-        return array(
+        return [
             new \Monolog\Handler\RotatingFileHandler(__DIR__ . DIRECTORY_SEPARATOR . 'everything', 3, \Monolog\Logger::DEBUG),
-        );
+        ];
     },
-);
+];