Enhancement: Enable array_syntax fixer

Co-authored-by: MathiasReker <mathias@reker.dk>

Closes GH-659.

Author: localheinz

.php-cs-fixer.php

@@ -20,6 +20,7 @@
     ->setRiskyAllowed(true)
     ->setRules([
         'array_indentation' => true,
+        'array_syntax' => true,
         'class_attributes_separation' => true,
         'constant_case' => true,
         'indentation_type' => true,

archive/1998.php

@@ -2,7 +2,7 @@
 $_SERVER['BASE_PAGE'] = 'archive/1998.php';
 include_once __DIR__ . '/../include/prepend.inc';
 news_archive_sidebar();
-site_header("News Archive - 1998", array("cache" => true));
+site_header("News Archive - 1998", ["cache" => true]);
 ?>
 
 <h1>News Archive - 1998</h1>
@@ -91,4 +91,4 @@
  Report or check on bugs in the PHP 3 Bug Database.
 </p>
 
-<?php site_footer(array('elephpants' => true, 'sidebar' => $SIDEBAR_DATA));
+<?php site_footer(['elephpants' => true, 'sidebar' => $SIDEBAR_DATA]);