Don't use single line for empty body.

Author: limingxinleo

.php-cs-fixer.php

@@ -94,6 +94,7 @@
         'single_quote' => true,
         'standardize_not_equals' => true,
         'multiline_comment_opening_closing' => true,
+        'single_line_empty_body' => false,
     ])
     ->setFinder(
         PhpCsFixer\Finder::create()