Approval.

it/appointment_attendance_modes.php

@@ -1,4 +1,10 @@
 <?PHP
-$appointment_attendance_modes['offline'] = 'offline / disconnessa/o';
-$appointment_attendance_modes['online'] = 'online / in linea';
-$appointment_attendance_modes['mixed'] = 'offline e online';
+declare(strict_types = 1);
+array (
+  'appointment_attendance_modes' => 
+  array (
+    'offline' => 'offline / disconnessa/o',
+    'online' => 'online / in linea',
+    'mixed' => 'offline e online',
+  ),
+)