Approval.

iw/gender_set.php

@@ -1,4 +1,10 @@
 <?PHP
-$gender_set['female'] = 'Female';
-$gender_set['male'] = 'Male';
-$gender_set['other'] = 'Other';
+declare(strict_types = 1);
+array (
+  'gender_set' => 
+  array (
+    'female' => 'Female',
+    'male' => 'Male',
+    'other' => 'Other',
+  ),
+)